A mother lives quietly with her son. One day, a girl is brutally killed, and the boy is charged with the murder. Now, it's his mother's mission to prove him innocent.
While watching from her train window, Nikki Collins witnesses a murder in a nearby building. When she alerts the police, they think she has read one too many mystery novels. She then enlists a popular mystery writer to help her solve the crime on her own, but her sleuthing attracts the attentions of suitors and killers.
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 communicates with a houseplant that was the only witness to a recent murder.
A sociology instructor finds her new teaching duties at a private college interrupted by the presence of a killer.
Betty has a crush on her tennis instructor Mike. He promises to call her for a date, but never does – she doesn’t know he sells drugs on the side. After botching a deal on someone else’s turf, Mike has to disappear for a while. He contacts Betty – then he’s killed before they can meet. Betty tries to find out what happened, leading her straight into a hornet's nest of vice.
After a car accident that caused the loss of her baby, Jane experiences an increasing amount of nightmares that shake her to her core. After seeking professional help, her haunting visions turn into an even more frightening reality, one full of black magic, blood orgies, and murder.
A masked serial killer with psychosexual issues strangles female coeds with scarves before dismembering them. When a wealthy student identifies one of the scarves and thinks she has a lead on a suspect, she becomes the killer's next target, retreating to her family's remote cliffside villa with three of her girlfriends.
A Swedish princess boards an ocean liner in Europe en route to an acting career in America and finds herself getting inconveniently attached to a bandleader returning home. To complicate matters, a blackmailer on board apparently knows she is not who she claims to be - and he has his sights set on other passengers with secrets of their own. In the meantime an escaped killer has stowed away under someone else's identity, and is killing again to cover his tracks; five international police detectives on board are heading the investigation to find him. When evidence points to the princess and bandleader, they must find the killer themselves - before he finds them.
A recent widow has invited a group of family friends to her large and secluded country home. However, what the guests don't know is that the reason they've been assembled is that their host suspects one of them might be her husband's killer and she's intent on uncovering the identity of his murderer. As the guests begin to suspect each other, revealing long-kept and sinister secrets in the process, an unknown, black-gloved killer begins bumping them off in a variety of nasty ways.
Two couples live their erotic fantasies out until one of the women is murdered.
A switchman at a seaside railway witnesses a murder but does not report it after he finds a suitcase full of money at the scene of the crime.
A ring of call girls leaves the "business" when one of them is murdered. The survivors change their names and leave town. However, they are reunited 15 years later when another one of them is murdered and the rest realize that they are all being tracked by the same serial killer.
Richard spots a man dumping a body, and decides to expose the man he thinks is the culprit with his friend Alex Cutter.
A woman dressed in black is murdering young women. The police question lawyer Anselmi for whom one of the girls worked as a secretary, and it turns out that all the victims were friends of lawyer's wife Leonora.
An elderly couple move into an old, supposedly haunted abandoned house. A young girl comes to live with the pair as a companion for the wife. However, soon the girl is possessed by the spirit of another girl, a wealthy woman who had once lived in the house but who had been murdered there.
After his wife and her blind sister have died under his care, a doctor's small daughter is kidnapped and reported as buried alive, and he is given just five hours to find and rescue her.
A woman is haunted by recurring nightmares, which seem to be instigated by her late husband who supposedly was killed in a fire.
Greedy heirs wait in a mansion for a rich cat lover to die, only to learn her cats come first.
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.