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.
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.
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...
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.
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.
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.
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.
An American journalist in Prague searches for his girlfriend who has suddenly disappeared.
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.
A cop suspects his wife's infidelity, only to become the prime suspect when she's murdered. A criminal psychologist believes the real killer is a presumed-dead serial killer, as more murders unfold.
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 newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
Between a four-year gap in the murder of a young girl, the daughter of a well-known sculptor is discovered dead, and her parents conduct an investigation, only to discover they are in over their heads as the body-count keeps rising.
Valentina, a beautiful fashion model, takes an experimental drug as part of a scientific experiment. While influenced by the drug, Valentina has a vision of a young woman being brutally murdered with a viciously spiked glove. It turns out that a woman was killed in exactly the same way not long ago and soon Valentina finds herself stalked by the same killer.
A rich man gathers together friends and relatives at the abandoned theatre he owns, but the party isn't fun for long since apparently one of them is a murderer.
In Dublin, the acid-scarred, razor-slashed corpse of a young woman is discovered in the boot of the Swiss Ambassador's limousine. The Ambassador, his family and employees all become immediate suspects. Faced with the problem of diplomatic immunity, the police officer in charge of the case brings in John Norton, an ex-Inspector known for his brutal methods, to carry out an "unoffical" investigation. While Norton develops a relationship with the Ambassdor's attractive daughter, several more gruesome murders occur...
A series of random suicides in Rome, Italy are attributed to a heatwave, but a young pathologist named Simona—who is working on a thesis about murders disguised as suicides—suspects otherwise. When a young girl associated with Simona's playboy father ends up dead in another apparent suicide, Simona teams up with the girl's priest brother to prove she was murdered and track down the unknown serial killer.
In Miami, Florida, biker gang leader Edward "Diablo" Santer is about to be executed for murder when he proclaims his innocence and vows revenge from the grave. When a mysterious biker comes to town during Spring Break festivities, leaving several teenagers electrocuted to death, some begin to suspect that Santer has made good on his promise.
A painter facing a creative block arranges to spend the weekend in the country at his mistress's villa. While staying there, his sanity begins to disintegrate.
A beautiful American woman infiltrates the home of a novelist and his wife so she can investigate the disappearance of her lover — who was her employers’ previous secretary — and soon finds herself the target of the couple's erotic desires and a murder plot.