Please answer the following question: Build a movie plot around this: Name three characters in the movie, that started using heroin again? Sick Boy, Spud and Renton.
A:
Set in Edinburgh, the film begins with Mark Renton's (Ewan McGregor) narration as he and his friend, Spud (Ewen Bremner) sprint down Princes Street, pursued by security guards. Renton states that unlike people who 'choose life' (traditional families, materialistic possessions and financial stability), he decided live life as a heroin addict. The rest of Renton's close circle of football enthusiast friends are introduced: con-artist Sick Boy (Jonny Lee Miller), clean-cut athlete Tommy (Kevin McKidd) and sociopath, Frank Begbie (Robert Carlyle). Sick Boy, Spud and Renton are all heroin addicts who spend their days shooting up in their drug dealer, Swanney's (Peter Mullan) flat. Swanney is often referred to as "The Mother Superior" by the guys.One day, Renton decides to give up heroin. Realizing he needs one last high to get him through the night, he buys opium rectal suppositories from dealer, Mikey Forrester (Irvine Welsh). After this final hit (and a nasty spell of diarrhea), Renton locks him into a cheap hotel room to endure the withdrawal. He later goes to a nightclub with the gang, noticing that his sex drive has returned with a vengeance. He eventually leaves with a young woman named Diane (Kelly Macdonald). After having sex together, Diane refuses to sleep in the same room as Renton and forces him to sleep in the hallway on a sofa. In the morning, Renton realizes that Diane is in fact a 15 year old schoolgirl and the flatmates sitting around the breakfast table are in fact, her parents. Horrified, Renton tries to shake off the incident but remains friends with Diane, who threatens to tell the police that Renton had sex with her despite being underage.Tommy is dumped by his girlfriend Lizzy (Pauline Lynch) after a string of events unintentionally initially started by Renton. Renton had previously borrowed a sex tape of Tommy & Lizzy, without their consent, hiding it in the box of a football tape. Lizzy angrily believes that Tommy had returned the tape to the video store. Sick Boy, Spud and Renton decide...