Bob, a middle-aged gambler and thief, plans a complicated heist. He deals with a number of underworld characters while planning the robbery of the Deauville Casino. Bob eventually hires a gang that includes an ace safecracker. Unfortunately for them, Bob’s nemesis, an old cop who Bob once saved from death, is tipped off after a money-hungry croupier’s wife betrays them. The police are waiting when the gang begins the seemingly impossible task of robbing the casino vault. Meanwhile in the casino, Bob starts to gamble.