A poisoned aspirin creates headaches for a woman who received the deadly pill from a stranger, then passed it on to her uncle.
The relatives of a rich old woman unsuccessfully try to have her declared insane, so they can divide up her money. To show them that there are no hard feelings, she invites them to her estate for the weekend so she can decide to whom she actually will leave her money when she dies. Soon, however, family members begin turning up dead.
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.
Jim Hanvey is a genial but top-notch detective who has retired to his country home. An insurance company hires him to find a missing emerald so they won't have to pay out the $100,000 for which the jewel is insured. It doesn't take him long to find the emerald, but he discovers that finding it was the easy part; the difficult part is getting it back to its rightful owner, and he winds up involved in a murder in which an innocent man is framed.
A wealthy family is blackmailed. Murder results. And a nurse at the scene of the crime is determined to figure out who-done-it.
A woman travels to Hawaii to find out if a man in prison there is actually her missing husband.
A car accident traps two men inside a car near the water. With the tide coming in, they discuss the circumstances that led up to the accident.
A private detective is hired to find a young heiress but finds himself accused of murder.
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.
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.
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.
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 mystery writer becomes the prime suspect in a murder investigation when a publisher he last saw is found dead.
An innocent dancer is accused of murder after his shoe prints are found at the scene, but his wife follows the trail of clues to find the real perpetrator.
A jealous musician kills his wife and frames a cab driver.
Artist David Stuart is blinded by a jealous model whose portrait he is painting. His fiance's father generously offers his eyes for a sight restoring operation. There's only one hitch: Stuart has to wait until after the man dies. Not surprisingly, when the benefactor dies a very premature death, suspicion falls on the artist.
Attorney Wayne Fletcher and his secretary have an affair. When Wayne's wife is found smothered to death, he becomes the prime suspect. As the police investigate the murder, a psychic with questionable motives tries to contact the deceased woman. Soon, Wayne begins seeing visions of his dead wife, and other people involved with the case begin to be killed, one by one.
When a man dies of a heart attack, a stage and radio mentalist believes he has willed him to die because he was angry with the man. Riddled with guilt, the mentalist cancels further shows, breaks off his engagement to his female partner, who can read minds while in a hypnotic trance, and takes refuge in the eerie wax-museum-cum-home of another woman friend.