A young couple's marriage becomes threatened when an attractive female occultist enters their lives, enticing them into a strange world of drugs, sex, and satanic rites.

A group of Satanic hippies wreak havoc on a small town where a young boy, whose sister and grandfather were victimized by them, tries to get even - with deadly results.

An ex-convict, troubled by dreams that he strangles women, is hired as the caretaker on an estate owned by three very strange sisters. Soon after his arrival, a serial killer begins slaughtering blonde, blue-eyed women - and leaving their eyeballs in a bowl of water.

A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.

A young woman travels with her partner to England on the unexpected death of her brother. Staying with her sister-in-law, she finds her companion soon drawn into a satanic cult based in the house whose rites seem to centre somewhat on large-scale sexual congress.

When Andy moves into The Dwelling, his life looks perfect. He is starting college and making friends with his sexy neighbor, Pam. Curiosity about the bizarre noises from the "empty" apartment lures Andy and Pam into a frenzy of Satanic depravity, where they discover there can be a fate worse than death!

A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.

A masked killer stalks an institution for mentally disturbed rich women.

A woman with psychic powers has a vision of a murder that took place in a house owned by her husband.

The German police cannot solve the mystery of the seven murders which have alarmed the local villagers. They call in Inspector Doren of Interpol, and the only clue the Chief Constable can give the detective is the fact that, each time a murder was committed, the electric lights in the whole neighborhood went out. The locals believe that the killings of the young girls are linked to the vague shadows in the caves under the local castle and to the mysterious Curse of the Green Eyes.

A madman haunted by the ghost of his ex-wife carves a corpse-laden trail.

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.