Two roommates, both genius physicists, live in their own world with their friends until an attractive woman moves in across the hall and helps them see life in different ways.

With Clouseau still missing, the French president orders Clouseau's archrival - the dangerously deranged Dreyfus (Lom) - to find him. Having no such intentions, Dreyfus ingeniously hires the world's worst detective, New York Police Department's not-so-finest Clifton Sleigh (Wass), to ensure that Clouseau is never located. But it's beginning to look like his foolproof plan could end up making him look like the fool!