Trapped in an unhappy marriage, the wife of a high ranking Fascist official starts a dangerous, self-destructive relationship with a duplicitous S.S. Officer.

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.

A young policewoman slowly goes insane while tracking down an elusive serial rapist/killer through Italy when she herself becomes a victim of the brutal man's obsession.

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...

The "stone in the mouth" is the scar that the mafia makes on betrayal's corpse. The modern mafia has the historical and sociological roots into the birth of the american capitalism at the time of Roosevelt. The American "Cosa Nostra" applies the similar methods as the sicilian mafia: same apparatus, same "omertà", same power and same terror. Giuseppe Ferrara, journalist and writer, uses fragments footage, film clips, and current news to make this film.

A story of revenge, murder and violence in the gray streets of Lima.