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.

Ombre (1999)
Elena Serpieri is an Italian neurologist who is in the United States, because she obtained a scholarship in a New York hospital. There she works together with the FBI on the profile of a dangerous serial killer.

One on Top of the Other (1969)
A San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.

Seven Blood-Stained Orchids (1972)
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?

A Bay of Blood (1971)
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.

The Bird with the Crystal Plumage (1970)
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.

Deep Red (1975)
An English pianist living in Rome witnesses the brutal murder of his psychic neighbor. With the help of a tenacious young reporter, he tries to discover the killer using very unconventional methods. The two are soon drawn into a shocking web of dementia and violence.

Knife+Heart (2018)
In the summer of 1979, gay porn producer Anne sets out to film her most ambitious film yet, but her actors are picked off, one by one, by a mysterious killer.

Suspiria (1977)
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.

The Card Player (2004)
Policewoman Anna Mari is forced to play a dangerous game with the title serial killer. If she loses, she witnesses the maniac's tortured victims having their throats cut in explicit close-up detail via webcam. She teams up with British cop John Brennan to find out the identity of the murderer.

The Case of the Scorpion's Tail (1971)
After her husband dies in a freak plane accident, a woman leaves London for Athens to collect his generous life insurance policy. She soon discovers that others besides herself are keen to get their hands on the money - and are willing to kill for it. Meanwhile, a private investigator arrives to investigate irregularities in the claim, teaming up with a beautiful reporter.

The Psychic (1977)
A woman with psychic powers has a vision of a murder that took place in a house owned by her husband.

Cruising (1980)
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.

The Girl Who Knew Too Much (1963)
A tourist witnesses a murder and finds herself caught up in a series of bloody killings.

Five Dolls for an August Moon (1970)
A wealthy playboy gathers a group of bourgeois friends at his isolated beach house for a weekend of relaxation. When bodies start pilling up, they realize they’re trapped with a killer in their midst, sending them in a frenzy to figure out who amongst them is killing the others before they are killed next.

A Dragonfly for Each Corpse (1975)
A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.

The Cat o' Nine Tails (1971)
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.

The Strange Vice of Mrs Wardh (1971)
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.

Four Flies on Grey Velvet (1971)
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.

The Washing Machine (1993)
Three sisters - voluptuous Vida, Maria (nicknamed "Sissy"), and Ludmilla - live together in a run-down apartment building in Budapest. The sisters all vie for the attentions of Yuri Petkov, a dubious middle-aged pimp who plays them off against each other. One evening, Ludmilla claims to have found Yuri's body stuffed into their washing machine, but when Inspector Stacev arrives to investigate the body has disappeared. The good-looking young inspector attempts to discover the truth but in doing so becomes drawn into the sisters' bizarre sex games...

The French Sex Murders (1972)
After a French prostitute is found dead, one of her regular clients is tried and convicted for her murder. He is eventually sentenced to death but dies in a high speed pursuit after attempting to escape custody. Soon, the witnesses that testified against him end up being systematically murdered by a mysterious killer wearing black gloves.