Danny Boyle directs this adaptation of Irvine Welsh's novel which follows a group of young heroin addicts in Edinburgh.Mark Renton (Ewan McGregor) is the most reflective member of a group that also includes compulsive womaniser Sick Boy (Jonny Lee Miller) and the hapless Spud (Ewen Bremner).Renton, Spud and Sick Boy's issues with drugs alternatively irritate and amuse their friend Begbie (Robert Carlyle), a periodic psychopath whose outbursts of violence are one of the many factors that convince Renton to leave for London in the hope of starting a new life.Renton enjoys some success remoulding himself as an estate agent in the English capital, but it isn't long before his friends catch up with him.They want the money Renton has saved from his job to finance the drug deal that could make them all rich.