Diane Keaton stars as Carol Lipton, a bored Manhattan housewife who becomes convinced that her next-door neighbour has committed a murder. When her sceptical husband Larry (Woody Allen) rejects the idea, Carol turns to a flirtatious friend (Alan Alda) to help her search for clues. And as their enthusiasm for the case grows, so does their interest in each other. Spurred on by jealousy - and by a seductive writer (Anjelica Huston) who's also excited by the mystery - Larry reluctantly joins the chase, only to learn that much more than his marriage is at stake. A comic romp bursting with wry one-liners and inspired sight gags.