Cops and a reporter attempt to capture a mysterious killer plaguing the city.
After a relaxing anniversary cruise, Andrea and his wife Barbara are dropped off in Istanbul, Turkey. There, they meet Andrea’s reserved assistant Silvia and his Turkish colleague Omar, who hasn’t been back to his home country in fifteen years. Andrea’s secretary has arranged a luxurious seafront villa for them to stay in while they’re in the country. Upon arriving at the villa, Omar experiences an unsettling feeling of déjà vu, as though he has been in the house before, while the married couple can’t stop bickering. However, the vacation soon turns into a nightmare when mysterious and deadly events begin to unfold.
A beautiful young woman sets her sights on an aging millionaire. She seduces him, and moves into his mansion with him. She soon tires of him, though, and after she gets rid of him, she goes after his son.
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 hunting party arrives at a lodge in the Tatra mountains in Slovakia, where one woman in the party had “accidentally” shot and killed her first husband some time ago.
Inspector Angelo De Paul is assigned to investigate a horrifying series of murders that have gripped Venice and left the authorities baffled.
A young man visits his ancestral home accompanied by his guardian and their wives, where he is plagued by the memories and influence of his murderous, psychosexual father.
Wealthy businessman Giorgio Mainardi has died of a stomach hemorrhage, but his ghost is not so sure that it was a random misfortune and wants to know the truth. Unfortunately, almost everyone around him is happy to see him gone. Everyone, that is, except for his daughter Rosy, who still feels affection for her father even though they have drifted apart. With her medical student boyfriend, Johnathan, Rosy will try to get to the bottom of her father's death.
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.
Diana, a high-class prostitute trying to escape from a serial killer, suffers a car accident that leaves her blind and kills the family of Chin, a ten-year-old boy.
Daniel, a writer seeking seclusion to work on his new book, finds himself stranded at a rural bed and breakfast run by a strange and prudish young woman and her ailing, wheelchair-bound husband who remains shut in his room all day. As night falls, a psychotic, razor-wielding killer begins stalking the bed and breakfast, brutally slashing the throats of its most sex-crazed guests, whose bodies and luggage then mysteriously disappear the following morning...
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.
Women are being tortured to death with various torture devices in the dungeon of an old castle by a deformed, hooded, holocaust survivor.
A Japanese giallo about a murderous driver roaming the street in search of prey.
Two seemingly separate stories in New South Wales: a burned, murdered body of a young woman is found on the beach, and a retired inspector makes inquiries; also, Linda, a waitress and ferry attendant, has several lovers and marries one, but continues seeing the others. The police have a suspect in the murder, but the retired inspector is convinced they're wrong; he continues a methodical investigation. Linda and her husband separate, and there are complications. Will the stories cross or are they already twisted together?
Carroll Baker plays a dual role as translator Julie Harrison and her twin sister Mary. The serpentine plot begins as Julie tells her lawyer Dave Barton that Mary's life is being threatened in London while Julie herself is being stalked by a mysterious stranger in Amsterdam.
Giorgio Mainardi, a womanizer, plans to rid himself of his wealthy wife Norma. He happens to see a sinister figure disposing of a body and seizes the opportunity to make a deal in which the killer will murder Norma. The deed is done but a young couple, Luca and Laura, unwittingly steal the killer's car, complete with Norma's corpse in the boot. They head for the beach and break into an abandoned old house. The killer tracks them down and while Luca is out having sex with a blonde stranger, he terrorises and rapes Laura. When the young man and the blonde turn up for a threesome they are both quickly despatched. After a struggle, Laura manages to fatally wound her attacker. Back in the city, the police become increasingly suspicious of Giorgio Mainardi...
Clara, the sexually frustrated wife of a businessman goes on vacation with her husband, daughter and best friend. While there, she finally learns that sex can be passionate and wonderful, something she was never able to discover with the help of her husband. Unfortunately, she learns this with a handsome lifeguard, who finally makes her succumb to his psycho-sexual games.
A young girl marries the wealthy father of one of her male friends at college, but she soon finds herself falling for her new husband’s son. The husband finds out about the two, and comes up with what he believes to be a foolproof plan: he will frame his wife and his son for his own murder, then have the pair locked in a room in his remote, isolated estate–with his own dead body.
After the death of her mother under strange circumstances, a teenage girl quickly begins to suspect that her recently widowed stepfather may be involved.