A young man returns from Rome to his sister's satanic New York apartment house.

A young girl, with an amazing ability to communicate with insects, is transferred to an exclusive Swiss boarding school, where her unusual capability might help solve a string of murders.

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.

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 he and his girlfriend being targeted by the killer.

An American newcomer to a prestigious German ballet academy comes to realize that the school is a front for something sinister amid a series of grisly murders.

A young opera singer is stalked by a deranged fan bent on killing the people associated with her to claim her for himself.

Antonio, a former variety actor, keeps his daughter in an excellent boarding school by organizing small scams with his friend and colleague Felice. Commissioner Malvasia good-naturedly persecuted him. When their respective unsuspecting children fall in love, the two fathers make peace.

A domestic house cat named Francis investigates the grisly feline murders taking place in his new neighborhood.

A young Romanian woman and a recovering drug addict launch an unlikely investigation after her parents are murdered by a vicious serial killer known as The Headhunter.

Jack and Martin are gunmen who work for two rival kingpins. Jack and Martin have been fighting on their bosses behalf for close to a year. When a truce is made both Jack and Martin are cut loose. The two men then decide to join forces and take on the gangsters who used them.

Cosmo Vittelli, the proprietor of a sleazy, low-rent Hollywood cabaret, has a real affection for the women who strip in his peepshows and the staff who keep up his dingy establishment. He also has a major gambling problem that has gotten him in trouble before. When Cosmo loses big-time at an underground casino run by mobster Mort, he isn't able to pay up. Mort then offers Cosmo the chance to pay back his debt by knocking off a pesky, Mafia-protected bookie.

Siblings, Eric & his surreal artist sister Kay, her doctor husband David, her sister-in-law Brooke along with pilot Marsh become stranded on a rugged isle face off against a supernatural beast drawn to Kay who dreams of its killings.

An artist grows distant from his new wife as an irrational horror of premature burial consumes him.

Priest, a suave top-rung New York City drug dealer, decides that he wants to get out of his dangerous trade. Working with his reluctant friend, Eddie, Priest devises a scheme that will allow him to make a big deal and then retire. When a desperate street dealer informs the police of Priest's activities, Priest is forced into an uncomfortable arrangement with corrupt narcotics officers. Setting his plan in motion, he aims to both leave the business and stick it to the man.

Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mother's biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared for what they find there.

Masaki, a baseball player and gas-station attendant, gets into trouble with the local Yakuza and goes to Okinawa to get a gun to defend himself. There he meets Uehara, a tough gangster, who is in serious debt to the yakuza and planning revenge.

A doctor's research into the roots of evil turns him into a hideous depraved fiend.