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.
A lesbian and vicious countess seduces the wife of an English writer in a creative crisis, during the couple's stay at her luxurious villa.
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 himself and his girlfriend being targeted by the killer.
Adriano Prosperi, a bank teller working in Milan, has spent years planning to steal a large sum of money and then disappear without leaving any trace of his existence.
A fashion designer gives a private showing at her mansion over a weekend, but someone starts killing off the models.
Three young hobby archeologists witness a satanic ritual in a secluded villa. Instead of helping poor female victims they decide to secretly document the events.
An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.
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.
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...
When New York is caught in the grip of a sadistic serial killer who preys on patrons of the city's underground bars, young rookie Steve Burns infiltrates the S&M subculture to try and lure him out of the shadows.
A tourist witnesses a murder and finds herself caught up in a series of bloody killings.
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...
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.
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.
Daniel, a writer seeking seclusion to work on his new book, finds himself stranded at a rural bed and breakfast run by a strange and prudish young woman and her ailing, wheelchair-bound husband who remains shut in his room all day. As night falls, a psychotic, razor-wielding killer begins stalking the bed and breakfast, brutally slashing the throats of its most sex-crazed guests, whose bodies and luggage then mysteriously disappear the following morning...
As a thirteen year old, Martha Caldwell witnessed the death of her parents in a terrible railway accident. Barely surviving the tragedy herself, Martha was struck dumb due to the shock. Now an adult, the still mute Martha lives with her uncle Ralph in the Spanish countryside. Martha's cousing Jenny arrives to be with the family but is quickly stabbed to death. It appears that a sex maniac is roaming the countryside; killing pretty young girls. The already traumatized Martha seems likely to be the next victim but the case turns out to be far more complicated than it would first seem.
Diane is a photographer of the ultimate in trendy soft core. Her ex, George, who makes bondage films, hooks Diane up with the muscular Teagan in exchange for a favor with a well-heeled client. Diane asks Teagan to model in her next shoot. When Teagan turns up bound, gagged, and dead, a rough policeman, Lt. Arnold, focuses his suspicions on George. When a second model dies and video disks show up depicting the murders, Arnold is certain he has his man - except that the killer we see in the videos is a red-headed woman. Diane's assistant, Valerie, can't keep her eyes off Diane, and Diane's mixer, Paul, also tries to be her protector. Do the cops have the wrong person?
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 surgeon goes on vacation in Istanbul, taking with him his wife and an assistant. The three of them lay in a villa, whose owner died mysteriously in his time. In the house strange things begin to happen and reality seems to twist in terrifying ways.
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.