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...
A young man, accused of murder and theft, escapes to Venezuela. His fiancée and her brother join him, only to find he had the loot with him. But was he guilty?
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.
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'.
In Genoa, the Commissioner Sironi has identified the leader of the ferocious racket that controls the port activities. But the law restrains his action.
Three young hobby archeologists witness a satanic ritual in a secluded villa. Instead of helping poor female victims they decide to secretly document the events.
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.
Michael considers himself a genius criminal and plans the big coup. He forms three new gangs who know nothing about each other and each only know part of his plan. In the background Michael pulls the strings and mercilessly plays the actors on his stage against each other. This strategy also poses unsolvable problems for the police until something goes wrong and the house of cards collapses.
A tough, violent cop who doesn't mind bending the law goes after a machine-gun-carrying, hunchbacked psychotic killer.
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.
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.
After a phone call has been intercepted (an industrialist is going to receive a huge amount of money from a foreign bank), Mafioso Luca Albanese is assigned to set up a big robbery. He and his gang (three men and three women) then hide-out in a remote mountainous region, but soon at each other's throats. Moreover, someone is killing Albanese's men one by one, leaving white paint on the victim's faces...
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.
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.
When private detective Bob Martin looking for a stolen diamond necklace, he also has a clever serial killer on the trail ...
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.
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.