A series of terrifying accidents and brutal murders leave a bloody trail into the subterranean caverns of an Opera house. Below the theatre stalks a man raised by creatures of the underworld.

Police detective Paolo Germi and the mysterious Marisa meet each other at a dance hall. Germi is unsuspecting of the secret Marisa is carrying with her: adverse conditions forced her into prostitution. As Germi finds the young girl brutally murdered, he decides to go after her killers. During his investigation, he enters a world of intrigue and obfuscation that leave an endless trail of blood.

A woman seemingly dies of fright after participating in a séance where she sees a vision of a Dunwich priest hanging himself in a church cemetery. New York City reporter Peter Bell investigates and learns that the priest's suicide has somehow opened a portal to Hell and must be sealed by All Saints Day, or else the dead will overtake humanity.

When a series of murders hit the remote English countryside, a detective suspects a pair of travelers when it is actually the work of the undead, jarred back to life by an experimental ultra-sonic radiation machine used by the Ministry of Agriculture to kill insects.

Paris, 1900: a couple are horribly murdered by a masked man with a metal claw who rips their hearts out. The sole survivor and witness to the massacre is a young girl. Twelve years later in Rome a new wax museum is opened, whose main attractions are lifelike recreations of gruesome murder scenes. A young man bets that he will spend the night in the museum but is found dead the morning after. Soon, people start disappearing from the streets of Rome and the wax museum halls begin filling with new figures...

A mob accountant accepts to be witness for the prosecution at a trial involving Mafia higher-ups. Seven cops are tasked with escorting him and his family alive from Sicily to the courtroom in the North, but it won't be easy.

Ponziani Armando, the owner of a thriving chemical industry, lives in a beautiful villa on Lake Como with his wife and his son Franco Ersilia.

A story of how World War II affected the lives of a German family and an American family, both of whom had sons and fathers fighting in the war.

A bomb blows up in Milan and five people die. After only three hours Ravida, the chief of the Secret Service, knows the name of the killer and that of his chief.

A vengeful criminal targets the inspector who put him away, but the inspector survives and fakes his death. Ignoring orders to flee, he sets out to bring the fugitive back to justice.