A Stranger Calls from Beyond the Crimson Room

Three individuals try to survive the night, the masked killer, and each other.

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 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.

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.

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...

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...

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 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 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...

A traumatized cheer captain races to stop a masked killer and the new tourist attraction aimed to exploit her tragedy from a year earlier.