Caught in a loveless marriage, Dr. John Winnington (Ronald Howard) can't stop himself from falling for his wife's (Mary Laura Wood) younger sister, Christine (Olga Edwardes). But when he suddenly becomes the prime suspect in his wife's tragic murder, John relies on his friend Eric (John Bentley) to clear his name. This classic murder mystery encourages viewers to evaluate all of the clues and guess the killer's identity.
Ronald Howard
Dr.John Winnington
Olga Edwardes
Christine Shaw
John Bentley
Eric Blair
Mary Laura Wood
Sophie Winnington
Patrick Barr
Vincent Humphries
Sheila Burrell
Annette
Russell Napier
Inspector Markham
Mary Jones
Mrs. Humphries
