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.
An American draft dodger and aspiring writer named Nero Finnigan becomes involved with the notorious Mr. Go, an organized crime mastermind. They conspire to blackmail an American weapons scientist into providing secrets to Mr. Go's organization for resale to the highest bidder. "The Dolphin" then arrives, who is an American CIA agent and James Joyce scholar, and is charged with recovering the scientist and his work by whatever means necessary.
Southern France, 19th century. Teresa, a young girl, arrives at an isolated female boarding school that is tyrannically mastered by Mrs. Fourneau, the strict headmistress, whose protective shadow haunts Luis, her weak son.
After escaping from an insane asylum, a medical student assumes the identity of a mysterious dead man, who appears to be his doppelganger, and gets lured to a sinister island ruled by a mad scientist and his malformed men.
Following the death of her uncle, Elisabeth returns to her family's castle for the reading of his will. She is informed of legends about the castle's ghost and experiences erotically charged nightmares, before being kidnapped by a hooded figure and tortured in the dungeon. Meanwhile, her boyfriend Jack suspects a plot to gain Elisabeth's inheritance and begins his own investigation...
A wife discovers that her husband is cheating on her. Enraged, she puts together a plan to take her revenge on him. What she doesn't know is that her husband has a similar plan in mind for her. What neither one of them knows is that someone else has the same plan for both of them.
When his brother disappears, a man visits the remote country house where he was last seen. While the host seems outwardly friendly and his niece more demonstrably so, there's a feeling of menace in the air with the overhanging legend of Lavinia Morley, the Black Witch of Greymarsh.
A group of college students, led by Claudia, decide to investigate a local tower that has figured prominently in disturbing reoccurring dreams Claudia has been having. They are suspended from school for their antics, but Claudia learns from one of the female staff members that the person in the dream is a student who killed herself years before and that the headmistress has seen her ghost.
Julie Kohler is prevented from suicide by her mother. She leaves home, with the intent track down, charm and kill five men who do not know her. What is her goal? What is her purpose?
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...
A blind sculptor works on his magnum opus unaware that the skeletons he has been using for armatures are the remains of the victims of his evil wife and that he is the next target.
A woman who is about to die calls the town's priest and hands him a scapulary, saying that she knows of its great powers. Anybody who does not believe in them will end up dead.
Bernard meets Jane in a Night Club, in London, and he likes her. Her father was killed in a car accident, but Jane thinks he has been killed because he was blackmailed for a picture of his second wife, Jane's mother in law. In the same Night Club Bernard finds the blackmailer corpse and Jane near him, but he believes she is innocent. So Bernard and Jane run away followed by a dwarf, the blackmailer's men, who believe Bernard killed their boss and of course, the Police. They believe that Jerome, Jane's brother, can help them to solve the case. But Jane doesn't know where he is, or so she says. Corpse after corpse, Bernard will find out the truth. But will the truth help him?
In the Olden Tymes, Count Regula is drawn and quartered for killing twelve virgins in his dungeon torture chamber. Thirty-five years later, he comes back to seek revenge on the daughter of his intended thirteenth victim and the son of his prosecutor in order to attain immortal life.