A young man visits his ancestral home accompanied by his guardian and their wives, where he is plagued by the memories and influence of his murderous, psychosexual father.

Nine members of an extremely rich and hateful family have decided to have a reunion on a remote island in the Mediterranean. No sooner than their arrival, old grudges, resentments, and feuds make themselves known, along with allusions to some more macabre events in their past. But when their boats are sabotaged, thus stranding them without any connection to the mainland, it becomes clear that someone is not willing to let old wounds heal, a fact made all the more clear as bodies start to pile up...

During an outbreak of violent murders in the area targeting young women, a journalist searching for a female friend gone missing ends up in a villa owned by an eccentric photographer.

Events take a sinister turn one night in London, when two very different couples arrive at a double-booked apartment. Actions have consequences and not all debts are paid for with money. Leaving, it's harder than you think.

Francesca is a sixteen-year old troubled woman living with her mother, with whom she has a very conflicting relationship. Shortly before Christmas, she must leave for a business trip, and entrusts a young French teacher, Lise. After the initial mutual distrust, the relationship between the two becomes more and more intimate and accomplice, leading them to become lovers. One day, however, Francesca receives a visit of her friend Monica, and she begins to spend all her free time with her and this stirs up Lise's jealousy.

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.

Clara, the sexually frustrated wife of a businessman goes on vacation with her husband, daughter and best friend. While there, she finally learns that sex can be passionate and wonderful, something she was never able to discover with the help of her husband. Unfortunately, she learns this with a handsome lifeguard, who finally makes her succumb to his psycho-sexual games.

Edward Sacchi is a wealthy and apparently content married man but underneath he is driven by a desire to seduce and discard women. One of his conquests, Lucy, falls in love with him and when spurned, commits suicide. Edward is shocked but continues as before. Each of his lovers are subsequently murdered and he is arrested. However, his wife saves him by arranging an appointment with the real killer...

Professor Brecht, a renowned scientist, is obsessively experimenting in his isolated villa. The object of his studies is "apparent death", with the intention that the human body in a cataleptic state can be cured more easily. He lives with his wife Lisa and several other people: his twin brother Germano; Katia, the waitress; Lailo, his assistant and young student Erina. Having discovered his brother's affair with Lisa, Brecht sets up a plan to kill Germano and take his place. The shock makes Erina dumb. Bercht's persecution of Lisa soon turns the woman mad, while Lailo, wandering in the villa's surroundings, vainly tries to find the key to the mystery. A psychiatrist, Louis, firmly believes Lailo's madness is caused by her inner anguish and seems confident in her recovery. But he's wrong: the demented woman kills Katia and then throws herself out of a window. Brecht takes back his own identity, but his actions will have further tragic consequences...

Professor Ricardo Rossi is an uncompromising moralist and a paladin of Catholic morals. He is understandably baffled when he finds his wife Elisa in bed with another woman (whom Rossi mistakens for a man). Furious, he poisons his wife and throws her body into a lake, then brings home a prostitute, Eva, to replace her. He also begins an affair with his niece Barbara. But Elisa is not dead, as Rossi soon finds and she is plotting with Eva to get rid of him. Rossi is more precise this time and shoots the two women dead. However, there is a complication and more deaths ensue...

Ulla, a prostitute is hired by the despicable Mudy, mother of the shy and mentally disturbed 20-year-old Tony with a tendency toward pyromania. She is invited on a sea cruise where she is meant to "take" his virginity. Also invited on the cruise are the provocative Paula and her husband Aldo, who are constantly striving to win the favor of a wealthy woman in hope of obtaining an oil concession. Despite her efforts, Ulla has no effect on the young man until the yacht stops on a Mediterranean island inhabited only by a goat herder and his wife, Beba. Tony is attracted to her, but little by little his mental disorders arise, and the story ends in tragedy.

When Olga Roli returns to her birthplace after a nervous breakdown, it quickly becomes much worse for her. Anonymous, threatening phone calls to deal with her as Olga O, her stage name from her time working in a local strip club, soon followed by a near miss with a murderous motorcyclist.