Hoping to overthrow his brother as ruler of the planet Metropolis, the evil Graal enlists the help of the insane Dr. Kraspin, who has invented a chemical capable of turning an ordinary person into a perfect soldier. They test this chemical on the pilot Golob, turning the unsuspecting victim into a mindless but indestructible automaton possessing superhuman strength. The people of Metropolis must somehow outwit Graal before he can create an army of these soldiers, or their planet will be destroyed.
In Rome, a vagrant finds the body of a teen girl, her throat professional slashed. Police inspector Olmi uses his brutal and violent methods to follow a trail that leads him toward high government officials. When his methods leave an innocent bystander dead, the corrupt officials have an excuse to get Olmi transferred to a coastal town where the pace is slow and he has time for a romantic dalliance. Soon, Olmi discovers that fishing isn't the only local occupation, and out comes his gun and his ruthless tactics of investigation.
A schoolgirl was murdered seven years ago, and the case was never solved; now, the murderer seems to be back.
At the local cinema, an audience watches a Spaghetti Western matinee. During the film's on-screen climactic duel, a bullet is fired into a patron. With no leads and a theater full of suspects, police investigators lock the doors, put everyone back in their seats, and run the movie again. But will this shot in the dark reveal the real killer?
Inspector Betti (Maurizio Merli) is transferred to Naples and immediately after his arrival receives a warm welcome from The Commandante (Barry Sullivan), the city's crime lord. Betti then goes on a personal mission against corruption and organized crime, and tries to force the syndicate out of town with any means necessary.
A reporter travels the world's hot spots, looking for lurid stories that usually involve her sexual participation in gaining those behind-the-scenes exclusives.
A detective sick and tired of the rampant crime and violence in his city, and constantly at odds with his superiors, is finally kicked out of the department for a "questionable" shooting of a vicious criminal. However, he is soon approached by a representative for a group of citizens who themselves are fed up with what they see as criminals going unpunished, and they make him an offer he may very well not refuse.
An experienced truck-driver is forced to become assistant to a young Sicilian driver. The Beast, the truck they drive around Europe, becomes their ground for mutual respect and trust.
When mobsters try to put an honest policeman on the payroll, he seeks revenge on the mob. But, he soon learns that his actions, however honest, have dire consequences.
Paulina, sister of Napoleon I, is married to Camillo Borghese, presented as a helpless coward. She is eager to offer herself to all the young people that propose to her, and performs naked in front of the Roman people flocking to the walls of Villa Borghese, which she turned into a private residence. She also poses half naked for the famous statue of Canova, who is also presented as a effeminate and scoundrel. When her reputation as a depraved spreads, on the advice of the Pope, she is segregated away from all the men. when the French troops deport from Rome the Pope and the cardinals as well, Paulina sees prostitution as the only way to find herself some "fresh meat". Finally after seven years villa Borghese is reopened to the public, as Paulina goes back to Paris, to the great relief of the Roman people and the clerical circles.
A man returns home to his wife from a business trip only to find a dead body in their yard.