One evening, Hammer gives a ride to Christina, an attractive hitchhiker on a lonely country road, who has escaped from the nearby lunatic asylum. Thugs waylay them and force his car to crash. When Hammer returns to semi-consciousness, he hears Christina being tortured until she dies. Hammer, both for vengeance and in hopes that "something big" is behind it all, decides to pursue the case.

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.

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.

An adolescent believes that his widowed mother's suitor may have murdered his father.

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.

A woman on the run from her abusive husband encounters a mysterious hitch-hiker.

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 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.

In this drama, a trucker's business is nearly destroyed after he is wrongfully accused of killing a policeman with whom he recently quarreled.

When a woman goes missing on the eve of her wedding, her fiancee hires a detective to track her down

A private detective is hired to find a young heiress but finds himself accused of murder.

Alex Ritt, a music video director comes to Italy to direct a video for pop sensation Stefania Stella. He soon encounters a mysterious killer who videotapes his victims for the police. As the horrible murders continue, Ritt is unknowingly pushed into the killer's games and he soon becomes a target of the police. The video-killer is on the loose and Ritt must find out the truth before it's too late.