Una farfalla con le ali insanguinate

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.

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.

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.

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.

Unable, due to the seal of the confessional, to be forthcoming with information that would serve to clear himself during a murder investigation, a priest becomes the prime suspect.

A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel.

A fashion designer gives a private showing at her mansion over a weekend, but someone starts killing off the models.

Homicidal maniac Jason returns from the grave to cause more bloody mayhem. Young Tommy may have escaped from Crystal Lake, but he’s still haunted by the gruesome events that happened there. When gory murders start happening at the secluded halfway house for troubled teens where he now lives, it seems like his nightmarish nemesis, Jason, is back for more sadistic slaughters.

Marcus Burnett is a henpecked family man. Mike Lowrey is a footloose and fancy free ladies' man. Both Miami policemen, they have 72 hours to reclaim a consignment of drugs stolen from under their station's nose. To complicate matters, in order to get the assistance of the sole witness to a murder, they have to pretend to be each other.