After the suicide of her friend and employer, who has been teaching her to be a detective, Cordelia Gray takes over his business and begins an investigation of the apparent suicide of the son of a businessman. When the suicide turns out to be murder, what she discovers disrupts the entire family and puts Cordelia’s life in danger.
City girl Renee is enjoying a jog in the peace and quiet of the Canadian Rockies when she suddenly finds herself being chased by a crazed mountain man named Vern. Try as she might to escape, Vern soon catches her and takes her away to his remote cabin hideout. All may look lost for Renee, but Joe, his outdoorsman father, is determined to come to her rescue.
An American photographer in Rio de Janeiro becomes involved in the world of “knife culture” when he sets out to find the killer of one of his models.
Dr. Ernest Tindal kills his wife and plants clues pointing to her lover, Frank Marsh. Vera, Frank’s sister, enlists the aid or reporter Russell Kirk in proving the innocence of her brother. Detective McKinley thinks that gangster Jack Reed is involved and shoots Reed when he attempts to escape. Reed gets away but goes to Dr. Tindal for treatment of his wound and Tindal kills him on the operating table. Kirk has uncovered some new evidence and confronts Tindal with it.
Delia Peletier has been paid to have a child for a wealthy man who wants an heir. She has the baby and turns it over to her “employer,” but subsequently decides she wants the child back. She hires three men to kidnap the child. The quartet hides out in the house of Bernard Lapin, a nuclear scientist they believe to be away on business. Lapin returns, however, and becomes romantically involved with Delia.
Sam Laker is an American industrialist, working in Britain, who has just been awarded an international award for industrial design. He is planning to travel to East Germany to attend a trade show and show off his invention, taking his 10 year old son with him for a holiday. Meanwhile a British Intelligence officer who served with Laker in the Second World War decides to use the opportunity of Laker’s trip and his lack of an intelligence profile to coerce him into carrying out an assassination.
A millionaire is found murdered in his apartment. Suspicion falls on a variety of suspects, including his fiancé and her parents, the butler, and a professional mentalist known as The Great Gambini.
During a police strike in Nova Scotia’s capital city, a gang of hoodlums end up unintentionally causing the owner of a gay bar to be killed. This escalates into a string of murders with a lone survivor trying to not be next.