1979 film by Alfonso Brescia

A revolution in Iran halts a heroin shipment, but an alliance of crime families is set on getting it to the US. They decide to run the drug through an unsuspecting network of good-natured, local smugglers in Naples, while an international anti-narcotics agent rushes to shut their operation down. Betrayals and divided loyalties lead to a final, bloody confrontation in America.

Italian crime movie from 1979 directed by Alfonso Brescia.

A bureaucratic snafu sends Marco Tullio Sperelli, a portly, middle-aged northern Italian, to teach third grade in a poor town outside Naples