Dial M for Murder

Tony Wendice, a former playboy and tennis star who squanders his beautiful wife Margot's money, decides to commit a crime when he learns that he might lose her millions because Margot has become infatuated with American mystery novelist Mark Halliday.

Tony devises a plan for the perfect murder, finds a reliable executor, and arranges an impeccable alibi for himself. He anticipates everything except Margot’s unusual behavior and Mark’s analytical skills…