Upscale couple living in the " burbs" straining to keep marriage together. For months the man of the house has fantasized about the neighbor across the street. Wife's boredom leads her to experiment in sexual escapades outside the marriage and not all of which are heterosexual. Unsuspecting hubby discovers how deep and how wide the circle of partners touches only when he receives phone call from the scene of his wifes sexual homicide. Searching her belongings, he discovers her "In Case Of My Death" letter which discloses secrets that blows his mind.