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.
Virginia is proud that she belongs to a clique. The best students at a private school. But before her 18th birthday, a gruesome set of murders take place and her friends are the ones who are falling prey. Could it be her? She suffers from blackouts due to a freak accident one year earlier. We soon learn the truth behind her accident and what is going on.
A reporter and a blind, retired journalist try to solve a series of murders. The crimes are connected to experiments by a pharmaceutical company in secret research. The two end up becoming targets of 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.
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.
Diana, a high-class prostitute trying to escape from a serial killer, suffers a car accident that leaves her blind and kills the family of Chin, a ten-year-old boy.
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.
Émile targets women he believes are too depressed to go on living. As multiple victims fall to his suffocating white scarf, an inspector resorts to unorthodox methods to get him with the assistance of a potential victim.
An ophthalmologist's assistant with an unhealthy interest in human eyeballs goes on a killing spree to collect eyeballs for his overbearing mother's collection. Reality soon takes a bizarre turn, both for the characters and the audience.
Patrick lays comatose in a small private hospital, his only action being his involuntary spitting. When a pretty young nurse, just separated from her husband, begins work at the hospital, she senses that Patrick is communicating with her, and he seems to be using his psychic powers to manipulate events in her life.
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 rich, mentally-unstable man—with a penchant for playing deadly S&M games with women who resemble his dead wife—sparks off a chain of bizarre events after getting remarried.
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.
The spirit of a comatose teenage girl possesses the body of a newcomer to her girls' boarding school in order to enact bloody revenge against the elitist, lingerie-clad coeds responsible for her condition.
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 tourist witnesses a murder and finds herself caught up in a series of bloody killings.
A San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.
Three short tales of supernatural horror. In “The Telephone,” a woman is plagued by threatening phone calls. In "The Wurdalak,” a family is preyed upon by vampiric monsters. In “The Drop of Water,” a deceased medium wreaks havoc on the living.
Police commissioner Santamaria is investigating the murder of the ambiguous architect Mr. Garrone. The investigations soon drive him into the Torino's high society. Santamaria suspect Anna Carla and at the same time falls in love for her. Lello is the lover of Massimo, Anna Carla’s gay friend. He is following another direction in order to find out the truth, and his results are confusing the Policeman. But another murder happens...
While searching for their estranged mother, two beautiful sisters, Dagmar and Ursula, arrive at a luxurious seaside hotel. At the same time, a mysterious killer starts murdering promiscuous women in the area.