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.

Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss.

After his son is kidnapped, a millionaire industrialist seeks revenge, in spite of the potential danger that his rash actions will bring about for his child and another kidnapped boy, the son of a poor mechanic.

A hitman finds himself embroiled in the middle of a Mafia war between the Sicilians and the Calabrians.

The two brothers Trinity and Bambino are exchanged by two federal agents and take advantage of the situation to steal a huge booty hidden in a monastery by a gang of outlaws.

After the son of a wealthy family is kidnapped by a group of ruthless criminals, a group of policeman and a Chinese waiter desperately try to solve the crime.

A sexy graduate student is giving her thesis presentation, which creates quite a stir since it reveals that she has just posed as a prostitute for several months to do sociological research for her thesis. She relates various stories of her experiences to her salivating thesis committee and a large audience of curious on-lookers.

A gang of landgrabbers, led by Mexican bandit Manuel, terrorizes the small town of Landford City. The sheriff asks the army for help, which orders Captain Mike Jackson to see what is going on in his old home town and also search for a government agent who has disappeared in that area. Jackson immediately finds himself in the middle of fistfights and shoot-outs with the bandits, who not only have a tight grip on the local farmers but also force Mary, the woman Jackson once intended to marry, to work as a saloon girl.

When a cowboy is released from prison he fulfils a promise to visit a town run by a gang of ruthless gunmen. In doing so he makes a lot of enemies.