Franca and her husband Antonio decide to sell a yellow rug which was a gift of Franca's stepfather. One day, while Antonio is out, a strange man rings saying he wishes to buy the rug. But the man's visit begins a twisted a nightmare.
A girl starts her own investigation after the police fail to catch a local serial killer.
A masked maniac with a penchant for a monster-themed board game is playing his own twisted game with the women of a small American town. Each time the dice are rolled, another victim meets a grisly end. Returning home to mourn the death of her murdered sister, Keegan befriends local cop Roger and reclusive cinema projectionist Billy — but soon finds herself in the killer's sights.
A man is shot in an underground car-park by a mysterious bearded man. As he dies he recollects the events that led him to this situation, including adulterous liaisons and jealous envy.
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.
The wife of a financially struggling businessman is blackmailed by a mysterious man into having a sadistic relationship with him, or he will release damning evidence that suggests that her husband is a murderer.
During a spree of violent killings, a young woman writing a thesis in criminology begins to suspect that her new boyfriend, who is a forensic pathologist, might be a serial killer.
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.
While searching for their estranged mother, two beautiful sisters, Dagmar and Ursula, arrive at a luxurious seaside hotel. At the same time, a mysterious killer starts murdering promiscuous women in the area.
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 schoolgirl was murdered seven years ago, and the case was never solved; now, the murderer seems to be back.
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.
A rich count invites a theatre troupe to his home on an isolated island... but soon people start getting murdered. Has the family curse struck again?
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...
When tragedy occurs, young Thomas is tasked with delivering punishment, aided by a connection which blurs the line between the living and dead.
A low rank journalist at Tribuna Sera newspaper receives a letter one day. His correspondence contains a serial killer's letters, which he exploits.
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 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.
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.
Diamante, an actress engaged in the filming of a drama, is shot down in a warehouse used to store the cinema "pizzas". Another actress, Ely, get a glimpse of the corpse, which however is immediately disappears.