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.
After several coeds are murdered at a college, a professor 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 San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.
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 Great Dante, a prestigious magician, accidentally dies during a risky magic trick. Thirty-five years later, his son Lorenzo, also a magician, presents a show at one of the city's most important theaters. From this point on, a series of murders will begin to occur that someone tries to pin on him. Lorenzo will have to find out who it is and why this person wants to implicate him
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 himself and his girlfriend being targeted by the killer.
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.
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.
As a thirteen year old, Martha Caldwell witnessed the death of her parents in a terrible railway accident. Barely surviving the tragedy herself, Martha was struck dumb due to the shock. Now an adult, the still mute Martha lives with her uncle Ralph in the Spanish countryside. Martha's cousing Jenny arrives to be with the family but is quickly stabbed to death. It appears that a sex maniac is roaming the countryside; killing pretty young girls. The already traumatized Martha seems likely to be the next victim but the case turns out to be far more complicated than it would first seem.
Nicola, a cop, spies on his wife Sarah buying sexy black panties and realises that she is having an affair. Following a violent confrontation, he leaves her. Immediately after, whilst taking a shower, Sarah is stabbed to death with an icepick. Believing it to be an simple crime of passion, the police assign Inspector Pierro Terzi to bring his former colleague in. But Professor Anna Berardi, a criminal pyschologist who is friends with both men, believes the Nicola is innocent. She suggests that the real killer is Franco Tribbo, a maniac known as "The Midnight Killer" who supposedly died in a hospital fire several years previously. Terzi is not conviced but Nicola is killed and the murders continue...
A reporter and a blind, retired journalist try to solve a series of murders. The crimes are connected to experiments by a pharmaceutical company in secret research. The two end up becoming targets of the killer.
An American journalist in Prague searches for his girlfriend who has suddenly disappeared.
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 Italian expat in Berlin turns amateur sleuth when a series of murders rock the German capital.
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 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.
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.
A former American gangster organises a safari in Kenya in order to have his business partner, whom he suspects of being responsible for his brother's death, killed. However, it turns out that he killed the wrong person and a series of murders follow.
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.