Dial M for Murder (1954)

Harry Mitchell is a successful Los Angeles manufacturer whose wife is running for city council. His life is turned upside down when three blackmailers confront him with a videotape of him with his young mistress and demand $100,000. Fearing that the story will hurt his wife's political campaign if he goes to the police, Harry pretends that he will pay the men, but does not follow through.

A guy gets more than he bargained for after entering into an affair with the wife of an investment banker. Soon, a suspicious death and substantial life insurance policy embroil him in a scandal.

Chris, a former tennis pro, takes a job as an instructor and befriends his wealthy young student, Tom. After being introduced to his family, Chris is soon engaged to Tom's sister, Chloe. Despite the professional and financial advantages that this relationship affords him, Chris becomes obsessed with Tom's fiancee, American actress Nola.

A charming psychopath tries to coerce a tennis star into his theory that two strangers can commit the perfect crime by exchanging murders—each killing the other’s most-hated person.

A tough cop is dispatched to take down a serial killer who has been targeting police officers.

Not long after they cross paths at an art gallery, architect Ray Reardon and hypnotically sensual Lena are married with children. But as strange incidents occur, Ray begins to realize he may not really know the woman he married.

Claire Gregory, an upper class New York personality, witnesses a murder in a luxurious nightclub. Detective Mike Keegan, recently promoted, is assigned to protect her.

In the late 1950s, British police officer Tony Aaron resigns from the force after sleeping with Hazel, wife of the man whose house he was supposed to guard. In his new job as a fake private investigator, he helps couples get divorces by photographing Hazel having "affairs" with the husband. When she is murdered during a job, Tony begins having an affair with the dead man's mistress, Angeline, while trying to prove his innocence.

Rusty Sabich is a deputy prosecutor engaged in an obsessive affair with a coworker who is murdered. Soon after, he's accused of the crime. And his fight to clear his name becomes a whirlpool of lies and hidden passions.

For five men, the opportunity to share a penthouse in the city -- in which to carry on extramarital affairs -- is a dream come true, until the dead body of an unknown woman turns up. Realizing that her killer must be one of their group, the men are gripped by paranoia as each one suspects another. Friendships are tested, loyalties are questioned, and marriages crumble while fear and suspicion run rampant.