When Paula answers the doorbell, it is not her lover Mark but a stranger who claims to be her husband James' friend. The visitor seems to suggest they murder James. A death does occur: Mark - not James - dies in an automobile accident that soon is discovered to be murder. The ever increasing tangle of lies and suspicions soon involves Paula's step-daughter. Was Mark the intended victim? Accusations and unexpected revelations culminate in a surprising climax.|2 women, 3 men