In a wealthy and isolated desert community, a sound expert is targeted as the prime suspect of a series of brutal murders of local suburban housewives who were attacked and mutilated in their homes. As he desperately tries to prove his innocence, his wife starts to uncover startling truths...
Luciano Persichetti is hypersensitive and convinced that he has paranormal powers. Susanna, a parapsychology student with whom he is in love, tries to help him interpret the paranormal warning messages he is receiving. When Luciano turns out to be haunted by a mysterious killer who calls himself "The Guardian Angel", Susanna discovers that Luciano's paranormal powers are not real at all.
After several Catholic school pupils are murdered, a teacher who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.
An American writer living in Rome witnesses an attempted murder that is connected to an ongoing killing spree in the city and conducts his own investigation, despite him and his girlfriend being targeted by the killer.
Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.
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.
Paola, a young reporter working for a tabloid newspaper, investigates a series of mysterious murders involving suspicious companies, cryptic messages and grotesque methods. When a witness comes forward with new clues, Paola goes after the case, not realizing that she has become the killer's latest obsession.
Wealthy businessman Giorgio Mainardi has died of a stomach hemorrhage, but his ghost is not so sure that it was a random misfortune and wants to know the truth. Unfortunately, almost everyone around him is happy to see him gone. Everyone, that is, except for his daughter Rosy, who still feels affection for her father even though they have drifted apart. With her medical student boyfriend, Johnathan, Rosy will try to get to the bottom of her father's death.
A psychic finds herself tapping into the "energy" of a deceased phone operator. She also finds that her friends soon begin dying mysteriously. An investigator determines to track down the cause.
Three sisters - voluptuous Vida, Maria (nicknamed "Sissy"), and Ludmilla - live together in a run-down apartment building in Budapest. The sisters all vie for the attentions of Yuri Petkov, a dubious middle-aged pimp who plays them off against each other. One evening, Ludmilla claims to have found Yuri's body stuffed into their washing machine, but when Inspector Stacev arrives to investigate the body has disappeared. The good-looking young inspector attempts to discover the truth but in doing so becomes drawn into the sisters' bizarre sex games...
When socialite and heiress Julie Wardh begins receiving blackmail letters attributed to a mysterious serial killer, she suspects her cruel and sadistic former lover Jean is behind them. With her husband Neil frequently out of town, she falls into the arms of her friend's cousin George, and as the unknown assassin begins to make his move, she fears that one of the three men in her life may be the killer.
A man in a trench coat and hat kills women due to his perversive thirsty
In the summer of 1979, gay porn producer Anne sets out to film her most ambitious film yet, but her actors are picked off, one by one, by a mysterious killer.
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?
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.
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 photographer's model is found murdered, sparking a police investigation that targets her ex-boyfriend. As more models die and murder videos surface, the true identity of the killer becomes uncertain.
A cop suspects his wife's infidelity, only to become the prime suspect when she's murdered. A criminal psychologist believes the real killer is a presumed-dead serial killer, as more murders unfold.
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 one-time (and now one-handed) master film editor toiling in the cinematic sweatshops of 1970s Italy becomes the prime suspect in a series of brutal murders.