Given the question: Build a movie plot around this: Where did Arkin retreat to? Basement
The answer is:
A man named Larry and his wife return home to find the power is out. They discover a large box upstairs, and are horrified by its contents. They are then attacked by an unseen assailant.Arkin O'Brien is an ex-convict working as a handyman. His latest customers are the Chase family. He is generally well-liked by the Chases, particularly their younger daughter Hannah. While working at the Chase home, Arkin notices several strange insects around the house. After work, Arkin meets his wife, whose debt to several loan sharks is due by midnight. In order to protect her and their daughter, Arkin plans a heist at the Chase home, which houses a valuable ruby. He breaks in, but while attempting to crack the safe, a masked figure enters in the house and locks the door. Michael, the Chase father, appears injured, and attempts to attack Arkin with a golf club, thinking Arkin is the perpetrator. However, Michael is incapacitated by a trap rigged with the club, and the masked man drags Michael into the basement. Arkin attempts to call 911, but the phone is rigged with another trap, and the windows have been boarded up and lined with razors, making escape impossible.Arkin retreats to the basement; Michael informs him that his wife Victoria is trapped as well, his older daughter Jill is out, and Hannah is hiding somewhere, and that a gun is in the safe, giving him the combination. Arkin then finds a captive Victoria and has her distract the intruder while he goes upstairs to get to the safe. Upon opening the safe, Arkin gets the gun (which has no bullets) and pockets the ruby. While searching for Hannah, he finds the same box from the beginning of the film. Hearing noises coming from the box, he opens it to find a bloodied Larry, who explains that the masked man is a "collector" of people; he only collects one person in a household and kills everyone else like he did to his wife. For he people he does collect, he brutally tortures them until death. Horrified, Arkin unsuccessfully tries to escape, while the Collector locks...