Weed smoking, foulmouthed Rocco Schiavone is an offbeat Deputy Commissioner of the State Police. For disciplinary reasons he is transferred to the Alpine town of Aosta, far from his beloved Rome. The sophisticated but cranky Roman despises the mountains, the cold, and the provincial locals as much as he disdains his superiors and their petty rules. But he loves solving crimes.

The history of the birth of an icon, the Borsalino hat. From the factory where it was conceived in a small Italian town, to the glamorous world of Hollywood.