Unscrupulous boxing promoters, violent bookmakers, a Russian gangster, incompetent amateur robbers and supposedly Jewish jewelers fight to track down a priceless stolen diamond.
Eddy persuades his three pals to pool money for a vital poker game against a powerful local mobster, Hatchet Harry. Eddy loses, after which Harry gives him a week to pay back 500,000 pounds.
Jeff "The Dude" Lebowski, mistaken for a millionaire of the same name, seeks restitution for his ruined rug and enlists his bowling buddies to help get it.