A Milan pimp faces off against a ruthless and greedy French gangster whom wants to unite organized crime in Italy.
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.
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...
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.
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.
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'.
After his younger sister is poisoned, a tough Ottawa cop embarks on a violent journey through Montreal to find her killer, which turns into a whirlpool of revenge and betrayal.
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.
Cliff works as a narcotics investigator for the police and infiltrate a mafia gang. Soon it turns out that Cliff has bigger plans than just to bust bad guys.
When private detective Bob Martin looking for a stolen diamond necklace, he also has a clever serial killer on the trail ...
The mysterious Tronche is being escorted to a castle in France. However, during a stop at a motel, he is attacked by Don Lewis who adopts his identity. The castle is the secret hideout of drug-pushing gang. Two of the crooks are killed by an unidentified assailant. While the false Tronche, Jean (head of the gang) and Pierre search the place for the murderer, Jean's lover is killed too. The four survivors are trapped because they are in hiding from the police...
By day, Ovidio (Joe Dallesandro) and his two friends work at a data center. After work, they blow off steam by committing random acts of savage violence, swiftly graduating from sparking a riot at a football game to vehicle theft, rape, and murder. The police are convinced this recent spate of crimes is politically motivated, but world-weary veteran Commissario Santaga (Enrico Maria Salerno) suspects a far more terrifying explanation: that these young men are motivated by nothing more than boredom and disaffection at civilized society. As Ovidio's behavior escalates, a psychological game of cat-and-mouse ensues between the two adversaries, building towards a shocking final confrontation.
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.
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.
When a crime boss sends out his thugs to terrorize an entire city, they do whatever they want, which includes anything from petty theft to robbing the police station in broad daylight. Napoli spara! (internationally released as Weapons of Death and Naples shoots) is a "poliziottesco" film directed by Mario Caiano in 1977. It is an unofficial sequel of Napoli violenta, of which reprises the character of Gennarino (still played by Massimo Deda).
An ex-Vietnam vet is forced to become a hit-man and gets caught in the middle of a conspiracy.