A year after the murder of her mother, a teenage girl is terrorized by a masked killer who targets her and her friends by using scary movies as part of a deadly game.

Inspector Tellini investigates serial crimes where victims are paralyzed while having their bellies ripped open with a sharp knife.

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.

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...

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 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.

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.

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.

A story of broken humanity following the invasion of a technologically superior alien species. Bleak, harrowing, and unrelenting, the humans must find enough courage to go on fighting.