After leaving his lover Angel McGinnis behind in London, rich playboy Barney Lincoln breaks into a playing card manufacturer in Geneva to mark the cards and then break the bank at every European casino.
Broke and depressed, Ray is mistaken for a dangerous hitman and given an envelope of cash. Along with his P.I. friend Skip, he must escape the actual hitman to make it out of LaRoy alive.
Charles Dreyfus, who has finally cracked over inspector Clouseau's antics, escapes from a mental institution and launches an elaborate plan to get rid of Clouseau once and for all.