Les, a small-time celebrity photographer(Buscemi) desperate to make it big befriends Toby, a homeless young man(Pitt) with no direction except a vague desire to become an actor. When by chance Toby becomes romantically involved with K'Harma Leeds,the hottest pop star of the moment, Les grows jealous and plots revenge.
The story is said to follow a pair of loner college undergrads, Jack and Montgomery, who order a take-out pie, but accidentally take a homemade drug that turns a two-floor journey downstairs into a “mind-bendingly transformative quest.”