Sandro, a detective, finds his wife strangled. His girl-friend Tiffany, who works as photographer, makes a "Blow up" from a photo, what Sandro finds beside the victim. Sandro and Tiffany are looking for the woman on the photo, Laura. They finds her in a Night Club in Rome...

In Genoa, the Commissioner Sironi has identified the leader of the ferocious racket that controls the port activities. But the law restrains his action.

A corrupt cop steals evidence of a Mafia drug ring with plans to sell it to their rivals, but is hunted by the mafia and government agents.

A gang of robbers takes possession of a load of diamonds.. Only one of them, Mark Lemmon, is arrested and sentenced to life imprisonment. But before being captured, the gangster had managed to hide the loot in a sewer. Five years later, Mackenzie, an insurer, pretending to be a mafia boss, assigns three petty criminals to arrange his escape. Once free, Lemmon finds the booty but now he has to deal with his new 'partners'.

Sadistic no-count killer Nanni Vitali and three other equally brutish hoodlums escape from prison. The foul foursome embark on a savage rape, murder, and robbery spree. Vitali even abducts and defiles frightened hapless lass Giuliana Caroli. Meanwhile, rugged police inspector Giulio Santini is determined to bag the despicable Vitali.

A Milan pimp faces off against a ruthless and greedy French gangster whom wants to unite organized crime in Italy.

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 man's daughter is killed by thieves during a bank robbery. Due to the incompetence of the corrupt authorities, he decides to take to law into his own hands and track down the killers.

A drug deal goes bad and the heroin is stolen. One mob boss doesn't have his drugs and the other doesn't get his money. People are going to die until they discover who double-crossed them. Into this backdrop, Inspector Dario Mauri arrives from Milan to help clean-up Naples. His mission – find the drugs and stop the killing.

Detective Baldassarre spends his forced exile sorting criminal records. He gets a chance to return to the line of fire when two people, an aristocrat and a worker are struck by lightning inside a fancy mansion. The incident would be relegated to freak accidents, but Baldassare's attention is drawn to the strangeness of the events and he begins to investigate.

An Ottawa police captain searches for the person who poisoned his sister, who was attending the university in Montreal. So desperate is he for revenge that he begin to use his own brutal methods to find the killer. Soon he discovers that not everything is what he thought it was.

An ill-assorted group of international criminals executes a tightly-planned ransom sting in Spain. Things go along swimmingly until various tensions within the group come to the fore.

A tough, violent cop who doesn't mind bending the law goes after a machine-gun-carrying, hunchbacked psychotic killer.

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.

In a crowded hotel in the center of Milan a bomb has been planted. The time device on its detonator has only minutes to run. A young detective discovers the bomb by accident and is drawn into a terrifying nightmare of intrigue, brutality and ruthless killing. This is a world where human life is sold or sacrificed for twisted ideals. A world of international terrorism. The time is now.

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.

The city of Turin is in the grip of a brutal crime boss known as "Il Marsigliese" and plenty of cops have good cause to want him dead — none more than Inspector Vanni, whose wife was murdered by the ruthless gangster. Having exhausted every other avenue, Vanni forms a crack squad of motorcycle-riding, Colt .38-toting elite officers, tasked with meting out justice on the margins of the law. But when "Il Marsigliese" launches a bombing campaign designed to extort a vast ransom from the city's authorities, Vanni finds himself in a race against time to exact his revenge and avert disaster.

Franco Nero and Telly Savalas star in the story of a trio of jewel thieves on the lam after a heist goes very wrong. Wrecking their car they take another unaware that there is a teenager hiding in the back. As the flight becomes more frantic, the young man is discovered, upsetting the balance of the thieves.

Carlo Antonelli, an engineer from Genoa, gets mugged and decides to take justice into his own hands. At first the muggers seem to get the upper hand, but then he's helped by Tommy, a young robber who takes his side.

When a crime boss is murdered while in hospital, a young woman sees the killers, but her room mate convinces her not to tell the police, fearing the consequences. Unfortunately the murderers realize that they have been seen, and kill both women. Catching the killers proves difficult as anyone who knows anything dies in unexplained circumstances. It becomes evident that a large and powerful criminal organization is behind the murders, and that they have links within the police force. It is up to Lt. Carmine to see that justice prevails, using any means necessary.