Carol Lipton is a bored housewife who becomes convinced that her next door neighbour has commited a murder. When her sceptical husband Larry rejects the idea Carol turns to a flirtatious friend to help her search for clues. And as their entusiasm for the case grows so does their interest in each other. Spurred on by jealousy - and by a seductive writer 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