Guy Foster returns home where he is met by his wife Melissa and their friends, ready to go to a party. Feeling exhausted, Guy sends them on their way, himself opting for a quiet evening at home. Later the same night he receives a mysterious phone call from Melissa imploring him to meet up with her. Reluctantly he agrees, but has difficulty finding the address she has given. He stops at a parked police car to ask for directions and is shocked to find out that the police have discovered the body of a woman... who turns out to be Melissa. The more the police investigate, the more suspicion turns on Guy himself.