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.
There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?
A high-rise apartment populated by models, nightclub dancers and call girls becomes the focus of a mysterious serial killer. When a young model named Jennifer and her friend Marilyn move into one of the victims' former apartments, Jennifer becomes the next target and the pair try to identify the killer.
A year after Sheila is killed in a hit-and-run, her multimillionaire husband invites a group of friends to spend a week on his yacht playing a scavenger hunt-style mystery game — but the game turns out to be all too real and all too deadly.
An ex-convict, troubled by dreams that he strangles women, is hired as the caretaker on an estate owned by three very strange sisters. Soon after his arrival, a serial killer begins slaughtering blonde, blue-eyed women - and leaving their eyeballs in a bowl of water.
A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
A masked killer stalks an institution for mentally disturbed rich women.
A madman haunted by the ghost of his ex-wife carves a corpse-laden trail.
A wealthy playboy gathers a group of bourgeois friends at his isolated beach house for a weekend of relaxation. When bodies start pilling up, they realize they’re trapped with a killer in their midst, sending them in a frenzy to figure out who amongst them is killing the others before they are killed next.
Isabella, a young model, is murdered by a mysterious masked figure at a fashion house in Rome. When her diary, which details the house employees' many vices, disappears, the masked killer begins killing off all the models in and around the house to find it.
A sick young man drives around in his daddy's camper, looking for lone stray females to kidnap, torture, rape and murder.
A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel.
When a young female student is savagely killed in a park during a thunderstorm, the culprit seems obvious: TV sports personality Alessandro Marchi, seen fleeing the scene of the crime by numerous eyewitnesses. The evidence against him is damning... but is it all too convenient? And when the killer strikes again while Marchi is in custody, it quickly becomes apparent that there's more to the case than meets the eye...
A wealthy Englishman finds his third wife dead. After the police discover that his first two wives had also died suddenly, an investigation is launched. Meanwhile, a new neighbor moves in and becomes very interested in him.
In 1980s Hollywood, adult film star and aspiring actress Maxine Minx finally gets her big break. But as a mysterious killer stalks the starlets of Hollywood, a trail of blood threatens to reveal her sinister past.
Inspector Tellini investigates serial crimes where victims are paralyzed while having their bellies ripped open with a sharp knife.
Police officer Dev investigates a double murder case that has only two witnesses - an acclaimed writer Vikram and a young homemaker Maya, who also happen to be the prime suspects in the case. He finds himself being torn between their own version's of what happened on the fateful night, and takes it upon himself to figure out the real story and capture the real murderer.
Anne is convinced she has found her husband's corpse, but Dr. Mark can only find out that the man has gone home. When he comes back, his wife does not trust Mark, who believes she suffers from schizophrenia.
At Heathrow Airport, a man is razored to death in a toilet cubicle. A young woman, Peggy Foster, is concerned about the disappearance of Michael, her photographer boyfriend, who has been in Vietnam for months. In order to pay the rent, she reluctantly sub-lets her garret flat to a man called John Kirk Lawford. The new tenant wears sunglasses indoors and acts suspiciously. Peggy is lured to an abandoned airfield by a call from Michael but is shot at by a sniper. Back at her apartment block she is shocked to find that a man has apparently committed suicide by jumping from her balcony. While the police question Peggy, a stranger turns up and announces himself as John Kirk Lawford! Shirley, secretary to Peggy's lascivious publisher, is killed by a black-gloved intruder and the mystery deepens...