It's the perfect murder. Tony Wendice has married his wife Margot for her money and plans to murder her before she leaves him for another man. Unfortunately...the man he hired to kill her gets murdered himself and Margot survives, and Tony must act quickly to have Margot convicted of his murder. It's one spine-tingling scene after another as Tony, Margot, her lover and a Scotland Yard detective play a deadly game of cat and mouse. Who will get caught in the trap?