Bachelorhood is bliss for cartoonist Stanley Ford (Lemmon) - complete with an English butler (Terry Thomas), delectable dames and extra-dry martinis. But when he attends a bachelor party and meets an Italian beauty (Lisi) who pops out of a cake, his fate is sealed. The next morning, he discovers he's married to her even though she can barely speak English - and now the consummate bachelor will go to any lengths to untie the knot!