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.
Three individuals try to survive the night, the masked killer, and each other.
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.
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...
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...
A housewife is brutally assaulted in an unfinished construction zone of her apartment complex by a masked man. She somehow survives but other women are soon discovered, murdered then set on fire. Meanwhile she reignites an affair with a former lover but slowly begins to suspect he might be connected to the killings.
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...
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.
A traumatized cheer captain races to stop a masked killer and the new tourist attraction aimed to exploit her tragedy from a year earlier.
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.
Dante arrives at the castle of the recently deceased Marquis Zanetti to sell a book which contains a prophecy that the death of nine members of the Zanetti family will reveal a hidden treasure.
A killer janitor goes on a cleaning spree during a security training event at a warehouse on halloween.
A night of attempted seduction is recalled from the perspectives of the woman, the man, a lecherous doorman and a psychoanalyst.
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.
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.
An aristocratic English family gather for the reading of their father's will. The family are dismayed to find that everything has been left to Barbara, the deceased's favourite daughter. The butler is soon found stabbed to death and Sergeant Thorpe, the local bobby, telephones Scotland Yard for assistance. Inspector Grey arrives and he and Barbara narrowly escape being shot. Cousin Ted and his wife Pauline are both killed. Sergeant Thorpe recalls some photos which Ted asked to have developed...
James, an unscrupulous director, and George are the joint owners of a film studio. One morning, the corpse of a messenger boy is found by a cleaning lady, but the identity of the youth's killer remains a mystery. Gloria, a stunning actress who is seeing George, rejects unwelcome advances from James. Determined to get the attractive actress into bed, James reveals that he has video footage which shows her killing the messenger. It emerges that she murdered the young man after he tried to sexually assault her. However, there is a twist...
To inherit a fortune, all Robert has to do is reopen a delapidated theatre and stage "Hamlet". Unknown to everyone else, Robert witnessed a murder in that theatre as a child... and the murderer is one of the cast.
To gain fame quickly - three actors - Mino, Giacinto and Mirella, stage a fake murder (Mirella is the "victim"), then plan to find the "body" at the most opportune moment. Unfortunately, a real murder takes place in Mirella's apartment when a young woman named Margaret is killed. Having left abundant clues to the fake murder, Mino and Giacinto realise the only way to save themselves from jail is to find Margaret's killer. Despite the intrusions of a stupid police inspector, the two men discover she was killed by a mysterious "organization". Although every witness they try to question is killed by a hitman, they eventually unravel the mystery...