Throughout his life Edward Bloom has always been a man of big appetites, enormous passions and tall tales. In his later years, he remains a huge mystery to his son, William. Now, to get to know the real man, Will begins piecing together a true picture of his father from flashbacks of his amazing adventures.

Heroin addict Mark Renton stumbles through bad ideas and sobriety attempts with his unreliable friends -- Sick Boy, Begbie, Spud and Tommy. He also has an underage girlfriend, Diane, along for the ride. After cleaning up and moving from Edinburgh to London, Mark finds he can't escape the life he left behind when Begbie shows up at his front door on the lam, and a scheming Sick Boy follows.