It is 1967, and Larry Gopnik, a physics professor at a quiet Midwestern university, has just been informed by his wife Judith that she is leaving him. She has fallen in love with one of his more pompous acquaintances Sy Ableman.

Jeffrey 'The Dude' Lebowski, a Los Angeles slacker who only wants to bowl and drink White Russians, is mistaken for another Jeffrey Lebowski, a wheelchair-bound millionaire, and finds himself dragged into a strange series of events involving nihilists, adult film producers, ferrets, errant toes, and large sums of money.