A biology professor travels to his family's country house to focus on his research, but a mysterious figure imposes itself on his plans and turns his experience into an endless nightmare.
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.
After FBI agent Frank Lacrosse believes his son was kidnapped by a notorious serial killer, he travels to Amarillo, Texas, where he believes the murderer is in hiding. Although officially taken off the case because of its personal significance to him, Frank continues to pursue the killer, causing concern for local sheriff Buck Olmstead. When another victim pops up at a nearby car garage, Frank knows that he is as close as he'll ever be to tracking down the elusive killer.
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.
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.
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
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.
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.
American Neil Bowman is traveling through France when he meets British photographer Lila. They are hired by French land owner Duc de Croyter to escort a Hungarian scientist to New York. But they soon realize that the job is not a cushy number, and have to deal with a gang of kidnappers who will stop at nothing to get their hands on the scientist
Howard is mild-mannered and slightly simple-minded, with a habit of picking up teenage hitchhikers while driving his delivery routes. Sometimes the girls admit to being runaways, and if they claim to hate their mothers it drives Howard into a violent frenzy; his sister ran away from home years ago and was never heard from again, causing his desperate, addled mother to tighten her hold on him. Howard never remembers raping his victims or strangling them with wire coat hangers, though his boss does notice missed deliveries and late arrivals.
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.
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 private detective is hired to find a young heiress but finds himself accused of murder.
Secret Service agents make a deal with a counterfeiting inmate to be released on early parole if he will help them recover some bogus moneymaking plates, but he plans to double-cross them.
Mr. Dean's body is found face down in the fireplace, burned beyond recognition. Nightclub-singer Eden Lane is convicted of the crime. She is escorted to prison by one of the arresting detectives when she convinces him that she just spotted the murderer outside their train.
On New Year's Eve 1946, Sheila Page kills her husband Barney. She wishes that she could relive 1946 and avoid the mistakes that she made throughout the year. Her wish comes true but cheating fate proves more difficult than she anticipated.
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.