A psychologist is sent to a space station orbiting a planet called Solaris to investigate the death of a doctor and the mental problems of cosmonauts on the station. He soon discovers that the water on the planet is a type of brain which brings out repressed memories and obsessions.
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.
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.
A rich, mentally-unstable man with a penchant for playing deadly S&M games with women who resemble his dead wife, sparks off a chain of bizarre events after getting remarried.
A journalist finds himself on the trail of a murderer who's been targeting people around him, while the police are considering him a suspect in their investigation.
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.
Recently married, Quentin and Tracy Collins have just moved into Collinwood, a New England estate that has long been in the Collins family and which Quentin has just inherited. They soon find themselves plagued by spirits of past residents.
After a schoolgirl is raped while taking a short cut through the local woods, and another murdered a few days later, the police are baffled. With the help of a reporter, and against the wishes of a local psychologist, a young schoolteacher uses herself as bait to lure the perpetrator out.
Documentary based on the book by Erich von Däniken concerning the ancient mysteries of the world, such as the pyramids of Egypt and Mexico, ancient cave drawings, the monuments of Easter Island, etc., and the fact that these things and modern civilisation could have been influenced by extraterrestrial visitations hundreds (or perhaps thousands) of years ago.
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.
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 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...