A stranger posing as a home buyer shows up at a suburban house that is up for sale. As the owner's wife gives a tour, the stranger recalls a memorable night when a fatal promise was made.A stranger posing as a home buyer shows up at a suburban house that is up for sale. As the owner's wife gives a tour, the stranger recalls a memorable night when a fatal promise was made.A stranger posing as a home buyer shows up at a suburban house that is up for sale. As the owner's wife gives a tour, the stranger recalls a memorable night when a fatal promise was made.