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.
A photographer's model is found murdered, sparking a police investigation that targets her ex-boyfriend. As more models die and murder videos surface, the true identity of the killer becomes uncertain.
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.
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 lesbian and vicious countess seduces the wife of an English writer in a creative crisis, during the couple's stay at her luxurious villa.
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.
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.
Luciano Persichetti is hypersensitive and convinced that he has paranormal powers. Susanna, a parapsychology student with whom he is in love, tries to help him interpret the paranormal warning messages he is receiving. When Luciano turns out to be haunted by a mysterious killer who calls himself "The Guardian Angel", Susanna discovers that Luciano's paranormal powers are not real at all.
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 San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.
Three young hobby archeologists witness a satanic ritual in a secluded villa. Instead of helping poor female victims they decide to secretly document the events.
A fashion designer gives a private showing at her mansion over a weekend, but someone starts killing off the models.
Isabella, a young model, is murdered by a mysterious masked figure at a fashion house in Rome. When her diary, which details the house employees' many vices, disappears, the masked killer begins killing off all the models in and around the house to find it.
A woman is strangled in the bath by a black-gloved killer who disposes of her body in a large trunk. The trunk is delivered to St. Hilda College, an exclusive finishing school. Betty-Anne, one of the female students, is strangled in the school cellar. The police, led by Inspector Durand, are called in to investigate. Suspects include La Floret, the voyeuristic gardener; Di Brazzi, the new swimming instructor; Mrs. Clay, the summer school French mistress; an old professor who collects birds; and a philandering young teacher called Richard. The murders continue but Jill, a keen amateur detective, helps the police identify the unlikely killer...
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 tourist witnesses a murder and finds herself caught up in a series of bloody killings.
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.
A recent widow has invited a group of family friends to her large and secluded country home. However, what the guests don't know is that the reason they've been assembled is that their host suspects one of them might be her husband's killer and she's intent on uncovering the identity of his murderer. As the guests begin to suspect each other, revealing long-kept and sinister secrets in the process, an unknown, black-gloved killer begins bumping them off in a variety of nasty ways.
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
Anne is convinced she has found her husband's corpse, but Dr. Mark can only find out that the man has gone home. When he comes back, his wife does not trust Mark, who believes she suffers from schizophrenia.