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.

Toby and Butch are a couple of bumbling crooks who get a truck driving job hauling insecticide from Italy to France. Unbeknownst to the clueless duo, they're really smuggling guns. A group of equally inept mobsters try to steal the guns to no avail.

An experienced truck-driver is forced to become assistant to a young Sicilian driver. The Beast, the truck they drive around Europe, becomes their ground for mutual respect and trust.

Fabio Testi is an undercover cop doubling as the bodyguard (hence, “Gorilla”) of a cantankerous middle-aged industrialist targeted for extortion.

Southern Italian workers relocate to Milan and adjust to life in the city, where they reside in a house together. Among the group are country boys Gigi and Carletto, who are overwhelmed by urban living. While some find work at a hectic restaurant, others are employed at a grim slaughterhouse. However, when some of the migrant workers are unable to make ends meet, they resort to theft, worsening their situations.