Macho Callaghan is a lieutenant in the Federal Guards and his job is to capture Butch Cassidy, Ironhead, and their band of outlaws. Getting in touch with Ironhead, Macho finds a way of being hired by the outlaws. But when the two leaders quarrel and decide to separate, Macho manages to convince Ironhead to attack Butch Cassidy.

The townsfolk of Trinity decide to hire a notorious bounty hunter to protect them from a fierce band of Mexican outlaws who are terrorizing the area.

Undercover cop Nico Giraldi travels to New York and Las Vegas to find a crooked cop who gave his squadron back in Italy a bad name.

A gang of thieves are robbing luxury apartments in Rome, but after emptying the villa of the wealthy Mr. Douglas, the thieves are beginning to die.

Tony, a mob loan collector, is dissatisfied with his station in life. Though he dreams of one day being rich, he is stuck with the dead-end job of beating up borrowers who fall behind in their payments. After meeting up with Napoli, another mob enforcer who's just been fired from his job, the two hatch a plan. Together, they will con mob boss Manzari out of a fortune, after which they can retire and live in luxury. Manzari, however, is not about to let them go so easily.

1971 film by Carlo Croccolo