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.
A mute woman, traumatized by her parents' death, faces new horrors when her cousin is murdered by a suspected killer. As danger looms, the truth proves far more complex.
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.
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.
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.
Diamante, an actress engaged in the filming of a drama, is shot down in a warehouse used to store the cinema "pizzas". Another actress, Ely, get a glimpse of the corpse, which however is immediately disappears.
A beautiful young woman sets her sights on an aging millionaire. She seduces him, and moves into his mansion with him. She soon tires of him, though, and after she gets rid of him, she goes after his son.
A San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.
A fashion designer gives a private showing at her mansion over a weekend, but someone starts killing off the models.
A maniac on the loose is committing savage acts of slaughter, and one survivor may be the only key to unmasking the serial slayer known as the Half-Moon Killer. The mysterious half-moon lockets he leaves with his victims could be the only key to unraveling his sinister motives, but will that be enough before he completes his ice-cold plot to claim his intended seven victims?