A strangler is killing young women, and there are several suspects. Liz Morris, the local librarian, is the only person who can provide clues.

Anonymous letters threaten the perfect alibi of a college professor who murdered his wife.

A rich woman, an industrialist's wife, finds her home nearly destroyed and with menacing phrases painted on the walls. Besides calling the police, her husband calls his security manager, an ex-cop who hesitates before accepting the task.

Two American girls go on a vacation to England and mysterious things begin happening when one of them falls to her death from atop a monument.

A troubled young woman agrees to spend two weeks at a friend's Manhattan penthouse while the friend is away on a modeling assignment, but a series of mysterious disturbances begin occurring during the night.

Clifford Swimmer is an angry and abusive man, unhappy in his marriage and cruel to his wife and son, and he wants out. He finds a unique solution: he will have himself cloned and will replace himself while he goes about the world "a free man." With the help of a scientist doing cloning research, the replacement of Swimmer is created. The clone takes over as head of the family, while the real Swimmer travels the world. Meanwhile, the clone has turned out to be the opposite of the original -- a gentle and sensitive husband and father -- and the wife and son come to love him. Then the real Swimmer comes back, finds his family happy with the clone, and becomes angry and jealous. And things take a deadly turn.

A crazed killer escapes from an asylum and goes on a murder spree, all connected with his fetish for physical perfection. He assumes the identity of his twin brother, a famous and respected architect. A beautiful woman, unaware of his true identity, hires him to make some changes to her house. Complications ensue.

A group of interested parties searching for stolen campaign money in a deserted house learn a murderer is among them.

Sally Carter finds escape in the arms of a handsome attorney who arranges her husband's death. It soon becomes apparent that her husband has a life beyond death.

Police lieutenant Danny Ianello and insurance investigator Susan Browning become involved in the mystery surrounding the apparent suicide of wealthy Allen Harper. Their investigation uncovers a flamboyant blackmailer, drug addiction, and possibly murder.

At the site of the 1969 rock concert at Woodstock, New York, an electrical charge turns a local farmer into a murderous werewolf.

A professional tennis team is suspected in the attempted murder of its owner.

Models from a financially struggling girlie magazine begin turning up dead.

Sophisticated sleuths Nick and Nora Charles trade quips while searching for clues in a murder investigation. The victim, a hotel guest with white gloves found floating in the establishment's swimming pool.

The wife of a TV executive, who thinks she might have committed a murder, is tormented by a stalker while locked inside an empty TV station.

Someone has a premonition that comes true when the members of a rock group begin to die off for no apparent reason.

A young nurse reports to work in a hospital's psychiatric wing and gets involved in a series of mysterious deaths.

A man has absolutely no fear of dying, because he believes he has found a doctor who is able to restore him back to life if he dies.

A woman's husband is shot to death by her long-lost stepson who has assumed another identity.

A young woman attempts to find her roommates when they disappear after answering a newspaper employment advertisement.