Sofía Herrera

Sofía Herrera is the main protagonist of the Netflix series Control Z. 
She is an outsider who most students consider a “freak.” She’s also super observant and has Sherlock-Holmes level smarts and teams up with both new student Javier Williams and Raúl León to investigate the identities of the hacker and the avenger.
She is portrayed by Ana Valeria Becerril. 
==Biography==
===Background===
She's the daughter of Nora and Rogelio, who she thought died in a fire. Sofía and Nora would regularly visit his grave to mourn him. When she found out that her father didn't die and faked his death, she started to cut herself and she ended up in a mental asylum, leading her to be thought of as "crazy" by most of her classmates who consider that no school should allow students as dangerous as her. 
As they keep on speculating about Sofía's unstable behaviour and wondering what this just means for them, she is approached by popular wealthy student Raúl León while she is alone at the school roof where she tells him that everything would be better if everyone just told the truth to each other, stopped living fake lives and keeping things to themselves. 
She also sarcastically asked Raúl to tell his friends that she never tried to commit suicide if that's what they thought. With the realizations that his friends were all a bunch of phonies (who were with him because he has money) and Bruno's abilities to hack into devices, Raúl planned to give Sofía, whom he started to develop feelings for, just that: a world without secrets. 
===Season One===
Sofía first appears when she witnesses Gerry and his two goons, Darío and Ernesto bullying Luis by pushing him against the lockers, asking them to move aside because they are in the way of her locker; they refuse. She nevertheless manages to get them to comply by humiliating all three of them, including Gerry bringing up his extent of absences and low grades in subjects that are completely going to affect his student record. Javier Williams, the new kid at school, gets paired up with Sofía for a science project since the others all refuse to work with her because of her alleged unstable behaviour. Later on, Sofía goes to the roof, followed by Javier who mistakenly believes she is going to kill herself, to which Sofía laughs at and goes on to describe each of the students's daily routines. 
Later on, they sit next to each other during a presentation hosted by Quintanilla to teach the students how to properly use their cellphones. However, instead of the topic itself, a compromising video is shown revealing that one of the popular students, Isabela de la Fuente, is a trans woman, prompting the other students (particularly Gerry, who was the one who uploaded the video on the hacker's orders) to start judging and cruelly mocking her and her boyfriend Pablo to publicly break up with her, pretending not to know this piece of information. After the incident, she turns to Raúl, who reveals that the hacker had forced him to choose one of his friends so his secret would be safe and enlists her help in investigating the culprit. In the bathroom, she tells Natalia that she knows that she had stolen Isabela's phone to keep her secret safe as well, while also confronting Gerry for uploading the video of Isabela. Javier also asks Sofia to let him tag along in the investigation; she agrees.
The following day, per Isabela's request, the hacker has leaked the secrets of Raúl, Gerry, Natalia and Pablo to get back at her former friends; Raúl, who had picked Isabela, has a corrupt politician father, Gerry, who uploaded the video, had been watching gay porn (leading the students to believe he is gay), Natalia, who stole Isabela's phone, is revealed to have been emblezzing the money collected for the NONA party and last but not least, Pablo, who betrayed Isabela earlier, is exposed as an unfaithful boyfriend after nude pics of him imply that he has been cheating on Isabela, while they were dating, with another girl only addressed as "Honey Bunny". Nevertheless, Gerry still makes fun of Isabela over her gender identity, which evokes a violent fight between him, Pablo, Javier, Raúl and Natalia. They are all summoned to the principal's office to sort out their issues, while Sofía gets herself sent there intentionally, by criticizing Gabriela's "poor" handling of the situation, to investigate more. As both Sofía and Javier wait for their turns to meet Quintanilla separately, she shows Javier around the school and introduces him to Bruno, the head of the school's I.T. department. When it is Sofía's turn, she looks around Quintanilla's office and finds out that he intends to propose to his mother, who he is seeing romantically. She later tells Isabela how she knew that it was Raúl, Natalia and Gerry who had her secret leaked. While Raúl, Gerry and Natalia face the consequences of their actions while scolded by their parents, Sofía herself is also dragged into the game when the hacker threatens to reveal that her father is still alive, with whom she has usual meetings at a local bar. The hacker promises Sofía they'll meet very soon.
When Luis falsely admits to being the hacker (so that Gerry, Darío and Ernesto won't bully him anymore), Sofía is quick to see through his ruse, recalling how she has been standing up for Luis in similar situations, telling him he shouldn't have done that since it would imply that he is protecting the real culprit. However, Gerry, believing Luis's confession to be true, decides to take revenge on him by beating him up. Walking with him on the sidewalk, they are seen by Gerry, Darío and Ernesto who start pursuing them until they are foiled by Javier crashing his car through a wall, thus buying Luis enough time to escape their wrath. As Sofía and Javier drive back to the school, they laugh in embarassment about the incident, but Sofía thanks him because if it wasn't for Javier, Luis would've gotten in big trouble with Gerry. Javier is then called by his father, who is spooked by Sofía's directness when she brings up her father's death, then having a flashback of him, revealed to be the man she is secretly meeting at the bar. The situation even gets worse when the hacker forces a public fight between Gerry and Luis. When Quintanilla finds out, he locks Gerry in the auditorium and tries to force the students to go home. As Gerry repeatedly pleads to be let out, Alex, a socially distant, yet openly lesbian student, inexplicably releases him, so the fight is resumed. The hacker forces Luis to provoke the entire students (including those already with their secrets revealed) when they send him lines to his cellphone for him to speak. Sofía, Javier and Luis try to escape in Javier's car, but he is quickly dragged out by Gerry. As Luis runs for his life, Javier tries to hold him back but he lets go of his grasp, catches up to Luis and hits him hard, knocking him over and causing him to hit the pavement. Luis is sent to the hospital and lies in a comatose state. She goes to Luis' room in the hospital, unlocks his fingerlock and finds a video of him confessing to his mother lying about being the hacker as he didn't know how to stand up for himself and only wanted to leave the school as soon as possible; Sofía uploads the video for everyone to see it and clear Luis' name. Back at the bar, Sofía notices that her father is nowhere to be seen and she is told that he had to "take care of something". With everything happening, she cuts her upper arm with a scissor and stops it when her mother knocks on her door.
Sofía is invited to Raúl's party and, even though she doesn't want to attend, she is forced to do so on the hacker's orders, telling her to await further instructions. At the party the hacker sends her a message to have fun with Rosita. Playing shot and kiss, she kisses Javier. Instructing Sofía to go up the roof, she finds Alex there, who reveals that the hacker had forced her to make Sofía jump off to the pool in front of everyone, threatening to make public Alex's secret if Sofía refuses; she deduces that Alex's secret girlfriend is Gabriela, their Biology teacher. After a lot of objections from Javier, who finds this pointless, Sofía reluctantly jumps and the hacker stays true to their word in not revealing Alex's secret. Despite this, Javier angrily walks out of the party and Raúl rushes to her, telling Sofía how reckless it was what she did out there. Going inside to help her dry her clothes and sharing a passionate kiss, the power suddenly goes off. While Raúl goes to check on the fuse, Sofía, left alone in the dark, is suddenly kidnapped by the hacker. The hacker brings her to an abandoned place, while talking to him she notices that her bracelet is missing. Unconscious in a car, she observes a few leads and they leave her passed out on the sidewalk at the gate of her house. Raúl tries to contact her, to no avail. 
The next day at school, Alex thanks Sofía for what she did and shows her a video circulating around of her kiss with Javier. Quintanilla accuses Sofía of being an obstacle to her mother's happiness, after she had turned down his marriage proposal knowing that her daughter would not take this well. Isabela playfully teases Sofía about having a crush on Javier, which she denies. In class, she and the other students are shocked to discover that the hacker intends to leak all of their secrets by midnight at the NONA party. She becomes unsettled at this and goes to the restroom, hearing María, Natalia's innocent-looking twin sister, crying in the toilet, and tells her that she knows about her being Pablo's Honey Bunny, but still promises not to tell anyone or Isabela for the sake of their friendship. Sofía starts growing suspicious of Javier when he notices that a sticker of his backpack is missing and claims that he doesn't have a secret, which Sofía refuses to believe. 
Gathering some clues from the truck, she teams up with both Javier and Raúl, who clash with each other over Sofia. They find out the truck belongs to Bruno, the school's head of I.T., and try to interrogate him, after realizing he is in league with the hacker. Bruno attacks Javier, somehow frees himself, and escapes. During the fight, she finds Javier's sticker on the floor, further increasing her suspicions that he might be the hacker and that he had let Bruno go. 
In the morning at breakfast, Sofía asks Nora why she turned down Quintanilla's proposal, but Nora says she doesn't have to explain herself to her. She also grounds her after Sofía failed to show up at the cemetery, due to her being focused on investigating the hacker. She visits Luis at the hospital and finds Gerry, who also started doing the same and felt genuinely remorseful for his actions. Gerry swears to kill the hacker himself when their identity is exposed, disgusting Sofía who calls him out for not learning anything. 
To make things worse, Sofía and Raúl uncover a key fact about Javier's past: He is responsible for the death of Guillermo Garaby, a former teammate of his, whom he accidentally pushed off a balcony to his death, during a rite of passage. A former football player and influential businessman, Damián, who is Javier's father, pulled some strings to cover up his son's crime, which is the reason why he transferred late to National School in the first place. Javier claims he didn't push him off. Angrily pushing Raúl (who laughs off his threats) against a locker, the hurt Sofía tells Javier she doesn't recognize him anymore. Convinced that Raúl is the only one who never lied to her, Sofía sticks with him and they sleep together, saying that he can count on him if she needs anything. Then the audience is shown a brief recap of the previous semester and the origins (shown above) regarding Sofía's mental issues, including the reveal of Raúl being the hacker and how he had framed Javier to turn her against him. It is also revealed that Raúl is the one who had scared her father into disappearing. 
Sofía and Raúl later report Javier's crime to Quintanilla and his alleged role as the hacker. As it turns out, in reality, Javier is innocent for being the hacker, but Raúl was nevertheless jealous of him and blackmailed the principal into expelling him by threatening to make public his affair with Susana, a married teacher. As Javier walks out of the school with everyone watching in shock and disbelief, he tells Sofía that she never trusted him. In bed with Raúl, just as Raúl gets the pizza arrived, she tells him that she's leaving, because the stuff with Javier got her worried.
During the NONA party, now hosted by Rosita who took over as president following Natalia's removal, Raúl notices Sofía tense over Javier. She goes up a balcony, followed by Raúl who calms her down and suddenly admits to being the hacker. Sofía smiles confidently at this, Raúl deducing that she already knew, with some hints she had found about it: While they were sleeping together, Raúl said the exact same words the hacker told Sofía when he kidnapped her ("Easier things aren't worth it") and found under his bed the mask he was wearing, while also managing to unlock his computer with his dog's name and finding that her missing bracelet was on Raúl's possession. Sofía calls him out for hurting a lot of people, but he reminded her about the conversation they had at the roof, when Sofía longed for a world without lies and that she and everyone should be thankful for it, citing that Sofía was his inspiration and the only person with he ever had real feelings for. It is revealed that Javier has recorded the entire confession and plays it downstairs at NONA, while he and Raúl get into a physical scuffle. Raúl tries to escape but is met with hatred by the students who turn on him for ruining their lives, just as the outraged Pablo beats him up. As revenge, Raúl leaks the secrets of everyone else, including Sofía, Javier, Alex and María, thus causing Isabela to end her friendship with her as well. The students consequently fight each other over the secrets that are revealed, just as Raúl seizes the altercation to escape. Before he tries to leave, however, Raúl is confronted by Gerry because of this, blaming him for Luis's death and demanding an explanation over his actions. Sofía and Javier try to calm Gerry down, to no avail. Raúl reveals to Gerry that Luis had a crush on him, further filling him with rage and guilt, and causing Gerry to attempt to shoot Raúl as revenge, but Javier is hit instead trying to intervene, much to Sofía's shock. A crowd of the students, who got attracted by the noise, forms around them and witness Javier's accident just as Sofía yells out at them to call an ambulance.
===Season Two===
Shortly after Javier is shot, he is taken inside the ambulance, with Sofía following suit to join him until he recovers from his injuries. She also attends Luis's funeral alongside her mother, Quintanilla and the other students. Two months later, Sofía returns to the school and goes to the roof for a moment, while seeing Instagram stories from Raúl enjoying a "beach day" while having flashbacks of her past encounters with him. During the ceremony hosted by the school to honor Luis, it is suddenly interrupted by a new hacker, only known as "The Avenger", who demands justice for Luis and scares the students into handing Gerry over to them. 
Meanwhile, Sofía finds her home is being repossessed and she repeatedly pleads for her stuff to not be taken, to no avail. She then takes one her pills to ease herself. Nora is upset at Sofía for hiding the fact that her father is still alive, refusing her apologies and claims that she has no idea where he is, which Nora refuses to believe, before they are interrupted by Quintanilla who comforts Nora. Seeking solace, Sofía wanders off, arriving at Javier's place where he tells her she can count on him for whatever she needs. Javier tries to kiss her, which Sofía quickly notices with her observing skills and shows some reluctance. They try a second time, but are interrupted by notifications of their cellphones from the Avenger, finding out that Darío and Ernesto were buried alive. They rush out and after some struggles, Sofía and Javier manage to locate and rescue them, before Javier is attacked by a hooded figure, revealed to be Raúl, who escapes.
The next day, Sofía finds out that Alex was another victim of the Avenger, but she has no recollection of what happened to her; Sofía deduces she was drugged when drinking from a coffee, just like Darío and Ernesto when they were eating some pizza. Wanting to know why the Avenger targeted her, Alex reveals to Sofía that she had released Gerry from the auditorium the day of the fight with Luis and feels guilty that she caused Luis's death, but Sofía understands she was only following the hacker's orders to keep her secret safe. As she, Javier, Rosita, Darío and Ernesto are discussing who this Avenger might be, they are interrupted by Raúl's unexpected return to the school like nothing happened and is immediately met with hatred from most of the student body, particularly Pablo who violently beats him up until the fight is broken up by the gym teacher. Raúl and Sofía talk at the roof where he still tries to justify his actions, yet Sofía points out that, unlike him, she did not mess with people's lives before Javier, whom he is still at odds with, arrives and warns him to leave everyone alone. As he leaves the premises, Raúl is cornered outside and assaulted by some of the students, including Pablo who again does the same, and Sofía tries to interfere but to no avail. To get Quintanilla's attention, Sofía deliberately makes some of the cars's alarms go off, forcing Darío and Ernesto to hold Pablo back and the other scared students to retreat to their homes as to not face punishment. Angry, Sofía asks Raúl why did he come back, but only replies that it was for her. Quintanilla tells Raúl he will no longer protect him. Sofía confronts Quintanilla about Raúl, but he refuses to answer stating that it doesn't concern her. Noticing a trash bag, Sofía finds a picture of herself with her parents inside of it and immediately leaves. When Quintanilla asks what's wrong, she takes back his statement, saying that he isn't her father. Sofía arrives at Raúl's house to confront him, punching him in the face for ruining her life and he admits to having followed her to the cemetery, but denies being the Avenger. Sofía sees some personal belongings on the floor and asks Raúl if anyone else is here. It turns out that Raúl has been hiding Gerry from the police for Luis's murder, but no one knows about this. Raúl assures that no one is here, but Sofía goes upstairs anyway to check the house. She almost opens the door of a room where Gerry is hidden while he tries to hold it close. However, Natalia, who was at Raúl's place by chance to deal with her money issues and is the first to notice Gerry, comes out of another room to deflect Sofía's suspicions. Believing it was a false alarm, Sofía leaves. She and Javier later investigate Luis's house to try and find some leads, coming across Luis's drawings but before they can do anything with them, they are interrupted by the arrival of Marta, Luis's mother, whose dog starts barking at the presence of both Sofía and Javier until the Avenger attacks again, throwing a rock at the window and setting the house on fire. As they are trying to escape, Sofía is briefly forced to relive the day of her father's alleged death from a fire, before she snaps back to reality. Sofía and Javier are unable to jump in the street, fearing they will be caught, so they jump from a roof to another, unnoticed, just as the fire brigade arrives.
When Rosita wants to throw a birthday party at her house, Sofía and Javier try to convince her to call it off, to no avail, fearing a possible attack from the Avenger. Raúl meets with Susana, who has now become the new principal at the school, but is unable to expel him either, much to Sofía's disappointment. Later on, Javier introduces Sofía to a board he has made of the entire student body and staff of the school, making a timeline with the events that happened and determine the Avenger's identity, marking also Raúl, as Javier still has suspicions on him. They don't care who the Avenger is, what matters is to find out how they will attack next, making lots of crazy theories of how it could happen. They arrive at Rosita's house to start their investigation, but Raúl shows up as well and uses the investigation as an opportunity to get her back. Javier also becomes distracted when he unwittingly starts developing feelings for Natalia. Raúl takes Sofía outside to show her "something", and sees them kissing. Instead of thanking Raúl, she becomes angry at him as well, assuming he knew about this. Realizing that the Avenger has poisoned a bottle, she tries to save everyone by throwing off their drinks, but Rosita misinterprets Sofía's warnings as excuses of wanting to ruin her party. By the time Sofía gets ahold of the bottle, however, it is already too late since María drinks from it, resulting in her overdosing and getting hospitalized. 
Sofía and Javier confront each other about having feelings for both Raúl and Natalia; Javier says he didn't expect that to happen and accuses Sofía of still sticking to Raúl, even after everything he did to the school. Sofía denies this and states that she will never forget what he did, yet it is very obvious that Sofía hasn't really gotten over him. Just then, they witness Natalia being thrown out of a van, still wearing the dress during her time at Rosita's birthday party. Sofía finds her story unconvincing as she believes that Natalia knew the Avenger's identity, particularly after noticing her ripped dress, a bruise in her arm and a broken heel, interpreted as signs that she tried to fight back. Javier thinks Sofía is only jealous of their relationship but she reminds him of the bigger debts she owes, as she had been hanging out with a dealer and tried to extract money from Raúl, warning Javier that Natalia might be using him as an escape to her money issues, which Javier refuses to believe. 
During nightfall, Sofía remembers the personal belongings she saw earlier and goes to Raúl's house, having deduced that Gerry has been there all along, as the facts of him using boots and playing Xbox with Natalia weren't adding up. With no other choice, Raúl finally admits to Sofía that Gerry is living at his house, but now he has gone missing and he enlists her help in finding him. Using his hacking skills, they track Gerry's GPS location to a massive queer club, unaware that Pablo is following them and snaps a picture of them, before sending it to Javier, further straining their friendship. They eventually find Gerry but before they can deal with him, Pablo bursts in and furiously charges at Raúl, cursing him for harboring a killer like Gerry. The two get in a scuffle, allowing Gerry to escape, with Raúl chasing him. Sofía tries to stop Pablo, to no avail, as he angrily shoves her to the ground, causing Pablo to be forcefully removed by the club bouncers, though not before getting the incriminating evidence implicating them. As she tries to contact Raúl, Javier arrives to find her there, per Nora's request. However, Javier misinterprets the situation, still believing that she had been spending time with Raúl when they were only trying to locate Gerry, and the Avenger as well. Nevertheless, Javier leaves to see Natalia instead. After catching up to him, Raúl tries to convince him that he and Sofía need his help in finding the Avenger, although Gerry refuses to be turned in but also Raúl refuses to leave him for dead. Raúl then gives Gerry money and instructs him to leave and never come back. 
Back at his home, a heated argument between Sofía and Raúl ensues, with Sofía blaming both him and Gerry for Luis's death and still criticizing Raúl for the consequences of his actions. Raúl snaps back, saying that he never imagined that this would get to a boiling point for everyone, he can't help it the more he tries and that Sofía is his only weakness, before the argument quickly turns to sex and they spend the night together. Aside from telling Sofía that he hid Gerry ever since the day he found him and getting rid of the gun he used to shoot him, Sofía asks him if there is anything else she has to know because she won't afford to hear another lie. After a moment of silence (and flashing back to when he caught Quintanilla and Susana making out and used the information against them), Raúl falsely replies "no", still hiding the biggest secret he's been bearing during his days as the hacker. The Avenger later breaks into Raúl's home, tasering him and forcing him to unlock the safe, thus stealing all of his money for unknown intentions. 
The following day, Sofía finds some papers related to an arrest warrant on her father, realizing that Nora was the one who had him locked up. Pablo spreads the news about Raúl and supposedly Sofía's involvement in harboring Gerry, as a result turning most of the student body against Sofía. They are both summoned to Susana's office and try to explain that Pablo is messing with them but she doesn't believe them and considers having both of them expelled and turned over to the police, to which Raúl dares her to do so and uses his blackmailing techniques on her, suggesting Susana to look further into the case and make a fair decision. Sofía and Raúl then remember it is Quintanilla's farewell party, thus making him the Avenger's next victim. Sofía and Raúl leave Susana's office despite being told to stay while looking for Nora, who is confronted by Sofía for turning her father in. Quintanilla is locked into a restroom and stung by bees until he is released. Sofía and Raúl then argue with Darío, who suspects them of having buried him and Ernesto alive and locking up Quintanilla because of the fact of having been the first ones to arrive at the scenes before witnessing Quintanilla's outburst to the students, who laugh at and record him, for refusing to acknowledge the hard work he has done to keep the school afloat. Alex is also disappointed on Sofía for aligning herself with Raúl, whom she still likes, and for the first time, Sofía admits it before they are interrupted by Rosita and Sofía vainly asks her not to tell anyone and that she did not harbor Gerry, but is ignored.
Sofía pays a visit to Luis's mother, who tells her to stop playing the detective and that is dangerous what she is doing. Despite being forced out, Sofía manages to obtain Luis's drawings to find more clues and shares them to Raúl, mirroring all of the students's punishments that have happened before, making them realize that the Avenger is fulfilling Luis's wishes of getting back at those people that have been bullying or mistreating him previously and after examining them again back at home, they deduce Rosita will be targeted next. They again sleep together.
The next morning, their sleep is interrupted by Quintanilla, who has come to pick up Sofía and take her home since Nora has been worried sick about her. Overhearing them, she finds out that Quintanilla cheated on Nora with Susana. She is upset at Raúl as he used the information (even if he knew he was dating her mom) against them so that he wouldn't get expelled from the school, particularly as he had promised before he wouldn't lie to her anymore. Raúl says that it was the only way to get closer to her, but Sofía clarifies it would've been better and Raúl asks her if it was better to keep lying to themselves and deny their feelings for each other, which Sofía rebukes by stating that the worst part wasn't that he lied to her, but that she believed him before walking out and laments the fact that certain people can't be trusted. Because of this, Raúl does not show up at the school and stays home instead. She confronts Quintanilla as well, demanding he tell Nora or she will. However, the gym teacher, also Susana's husband, punches Quintanilla before he can tell Nora, who storms off. Forced to continue the investigation all by herself, she shows Alex the drawings and after seeing her own, Alex says it's all her fault, remembering that she had encouraged Luis into showing to Gerry a drawing he made of him. Gerry became impressed and showed it to his parents, but his homophobic father mistakenly assumed he was gay. As a result of this, Gerry used this personality out of shame for being made fun of at school, something that started his feud with Luis in the first place. Thus, Alex is the reason why Gerry has been mean to him. 
Later on, she meets with Rosita, both of them going to Susana's office showing her the drawings of Luis. Rosita states that she did nothing bad to Luis, aside from only nicknaming him "Luiser" (similar to the word "loser"), but it doesn't change the fact that Susana still suspects Sofía in harboring Gerry; she truthfully tells her she has no idea where he is, but Susana doesn't believe her. Susana later has all of the students's bags and lockers registered to determine if there was any flammable material used in Quintanilla's attack, but no proof is found. Susana calls this "a waste of time" and remarkingly tells Sofía how disappointed she is of how much she has changed. Sofía says the same about Susana (implying her affair with Quintanilla), although she doesn't know what she means before leaving. She also finds Raúl's money hidden in Luis's locker, but doesn't tell anyone. Sofía asks Javier if he had seen Rosita, who is nowhere to be found, which Javier denies. He also asks about Raúl and, even though Sofía assures him that he is likely not coming back, Javier makes it clear he doesn't care as Sofía is free to do as she pleases. Sofía tells Javier that things don't have to be the way they are, only for Javier to point out that she always has her motives to hurt him, yet their sour conversation is more about how to handle investigations when Sofía tries to leave to find Rosita. Javier tells her she can't do everything by herself; she argues that it used to be like that, only for Javier to refute her by saying that by that time he wasn't even at the school. Sofía tells Javier that she only wants to be alone. Rosita, still believing that she played a part in hiding Gerry, ignores Sofía's warnings about the Avenger wanting to target her. After Darío and Ernesto leave, Sofía pops one of her pills until she suddenly faints, prompting Rosita to rush to her aid; the Avenger had switched Sofía's pills. 
Sofía is hospitalized, with Rosita by her side. She apologizes for not believing her about the Avenger before, but Sofía tells her it's fine. Sofía also asks Rosita not to tell anyone about this. Nevertheless, Rosita, for how gossipy she is as usual, texts her friends implying that Sofía "lost her mind" and that she might be admitted into the mental hospital again. Nora arrives to check on Sofía, who tells her she wasn't supposed to hear about this, but Nora, despite how Sofía lied to her, lets her know that she still cares about her. Javier arrives and Nora leaves them for a minute. They say how the other was right about both Raúl (who hid the affair from Sofía) and Natalia (who was caught by Javier making out with his father, although as a mean to get the money). Javier also tells her that he came because Rosita told everyone about Sofía's accident and that now she is popular. Sofía confidently says "Just as I planned". Confused about this, Javier is then surprised to realize that Sofía never actually took the pills and had staged her accident to make it look like she has fallen for the Avenger's trap. She removes her hospital clothes and changes to her normal ones and teams up again with Javier to continue the investigation.
Intertwining the theft of Raúl's money and the words Sofía's father said to her ("The worst mistakes are made out of love"), Sofía and Javier immediately deduce that the Avenger is Alex: all her vengeances (in which she left behind leads) similar to the drawings were to make the students feel guilty as she was for Luis's death (including simulating her own kidnapping, spray-painting the lockers, setting Luis's house on fire and leaving Quintanilla locked up in the men's restroom) and since Gabriela was leaving for Spain, Alex stole the money in order to be with her, initially contemplating on abandoning her plans, but still going through with the act after she left without her. They then realize Gerry is in danger after seeing a poll Alex made to let everyone decide if Gerry deserves to live or die. They drive to the school, arriving just as Gerry is forced at gunpoint to jump off the roof after the entire student body votes against sparing Gerry. Before Gerry can make a choice, Sofía and Javier manage to stop him from doing so. Sofía understands that Alex has the right to be angry at everyone for Luis's death and not doing anything about it, but convinces her that this is not the solution and none of the things she does would bring Luis back. Alex is not a killer and she knows it. Realizing the monster she has become, the repented Alex drops the gun and hugs Sofía as she tearfully apologizes. Raúl slides the gun aside and asks Alex for his money back, Sofía telling him is hidden in Luis's locker. However, Javier takes the gun and aims at Raúl, wanting the money to save Natalia, who was kidnapped by the dealers for failing to meet their demands for the money she owes, but he defiantly refuses. Sofía deduces that he had tipped off María and Claudia over its whereabouts. Javier's yelling attracts the attention of María, Claudia and Susana who go to the roof where Susana and Sofía both tell him to drop the gun and he does, before the six of them get into a scuffle over the money bag (Susana, who refuses to give it back and tries to break them up, as does Sofía, Javier, María and Claudia who need the money to save Natalia's life and Raúl because it was stolen from him), resulting in Susana falling off the roof to her apparent death. Then Sofía, with María and Raúl, observe as Pablo snatches up the money to rescue Natalia and drives off, while also looking at Susana's lifeless corpse.
==Trivia==
*She is similar to Clay Jensen and Samuel García from both 13 Reasons Why and Elite as the three of them are very justice-driven when it comes to solving mysteries that compromise their respective high schools, while also viewed as "outcasts" (Clay and Sofía for being "freaks" and Samuel because of his poor background as his high school is an elitist one) to the student body, yet some (including those affected by the circumstances) start realizing they were wrong about them, becoming their friends in the process. 
**Unlike Samuel, both Clay and Sofía had mental issues. Clay in the fourth season suffering from PTSD and dissassociative disorder due to trauma from Hannah's suicide (and the trial against Liberty High School), Bryce's murder and Monty's framing of the crime, while in Sofía's case it was simply because her father faked his own death. 
**Clay and Samuel aren't as deductive as Sofía is.
**Both Clay and Samuel rode bicycles, while Sofía does not as she is usually driven over to the school by her mother.
**While Clay and Samuel aren't as lucky in love, in Sofía's case is different because she has two love interests (Javier Williams & Raúl León) who are constantly fighting over her, similar to Violetta Castillo and Luna Valente, the only difference being that Sofía and Luna only had one opposite love interest (Raúl and Matteo Balsano) while in Violetta's case it was three (Tomás Heredia, Diego Hernández, Clément Galán, each being rivals to León Vargas). Coincidentally, both Javier and Simón Álvarez (each being the would-be love interest for Sofía and Luna) are portrayed by the same actor, .
*Sofía is indirectly responsible for Raúl becoming the hacker in the first place as she had unwittingly given him the idea by bringing up the fact that his friends were living fake lives and keeping things from each other.
*Ariana Saavedra, who portrays Regina in the series, had originally auditioned for the role of Sofía Herrera before Ana Valeria Becerril was cast.
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