Detective Inspector Campbell (Gordon Jackson) looks into the murder of a teacher at a girls school where there are a number of suspects, including her colleagues and the married man she had been seeing.
Mary Henry ends up the sole survivor of a fatal car accident through mysterious circumstances. Trying to put the incident behind her, she moves to Utah and takes a job as a church organist. But her fresh start is interrupted by visions of a fiendish man. As the visions begin to occur more frequently, Mary finds herself drawn to the deserted carnival on the outskirts of town. The strangely alluring carnival may hold the secret to her tragic past.
Newspaper reporter Michael Ward plunges into a nightmare of guilt, fearing that his "evidence" has sentenced the wrong man to death.
A drifter claims the money in an old bank account. Soon he finds himself the target of two men who turn out to be the sons of the man's old partner, who is now in prison because of a conflict with him over the money in that account.
A woman uses a deck of cards to predict death within 24 hours for a stranger sitting at a bar, then tries to help him remember who he is based on items in his pockets.
A private detective is hired to find a young heiress but finds himself accused of murder.
A wealthy family is blackmailed. Murder results. And a nurse at the scene of the crime is determined to figure out who-done-it.
When a woman goes missing on the eve of her wedding, her fiancee hires a detective to track her down
1976: Two young journalists leave for the French-Swiss border to investigate a strange case of cattle mutilations and record testimonies for a TV channel. Yet, once they get there, the scientific team they were supposed to meet has gone missing. Escorted by a first-aider, a British biologist and an American forensic investigator, Melissa and David will go looking for the missing team deep into the mountains.
Dutch painter Jan-Van Rooyer hurries to keep a rendezvous with Jacqueline Cousteau, an elegant, sophisticated Frenchwoman, slightly his elder, whose relationship with him had turned from art student into one of love trysts. He arrives and is confronted by Detective Police Inspector Morgan who accuses him of having murdered Jacqueline. Morgan listens sceptically to the dazed denials of Van Rooyer as he tells the story of his relationship with the murdered woman. Morgan, after hearing the story, realizes that the mystery has deepened, and it becomes more complicated when the Assistant Commissioner, Sir Brian Lewis, explains that Jacqueline was not married but was being kept by Sir Howard Fenton, a high-ranking diplomat whose names must be kept out of the case.
A young man who steals valuable Oriental objects for a crooked antique dealer is hunted down by the police after his latest Chinatown robbery turns violent.
Losing his memories of the last few days, neurologist Dr. Steele is told that his wife has been brutally murdered. Steele, aware of his conniving wife's infidelity, believes he may have been the killer and enlists the aid of his pretty nurse Stella to hypnotize him into recovering his lost memories.
An adolescent believes that his widowed mother's suitor may have murdered his father.
When it rains in the city, a serial killer known as "The Judge" looks for his next strangling victim. For months, the madman has been stalking at night, leaving behind clues, but police efforts have been fruitless. Constructing a life-size dummy of the murderer, police Lt. Harry Grant is growing obsessed with capturing him, and always following Grant is the relentless reporter Ann Gorman looking to break the story, but the hunt continues.
A woman travels to Hawaii to find out if a man in prison there is actually her missing husband.
Two detectives investigate the strangulation murder of a man whom everyone seemed to like.
In England, an eccentric police inspector, an earnest test pilot and a spunky female reporter team up to solve the mystery of a series of test aircraft which have disappeared without a trace while over the ocean on their maiden flights; unaware, as they are, that a spy ring has been shooting the planes down with a ray machine hidden aboard a salvage vessel which is on hand to haul the downed aircraft aboard, crews and all.
Cop Andy Doyle investigates a car-bombing murder and the killing of a sleazy modeling agency owner. Are they connected?
A mystery writer becomes the prime suspect in a murder investigation when a publisher he last saw is found dead.
In a series of flashbacks, shows that attorney John Morland has given a lift to a hitchhiker who turns out to be a murderer. As a result, Morland himself is implicated in a killing. A pair of detectives discover that Morland has been having business problems and no end of difficulties with his wife Catherine. The trail of clues leads to a surprising revelation.