A brash and carefree man named Bruno convinces a shy and introverted law student named Roberto to join him on a spontaneous road trip through the Italian countryside. Initially reluctant, Roberto is drawn into Bruno's charismatic and adventurous lifestyle. The duo speeds along in Bruno's Lancia Aurelia, encountering various colorful characters and experiencing a series of humorous, poignant, and sometimes perilous events. Through their escapades, Roberto begins to open up, challenging his own perceptions and insecurities under Bruno's flamboyant influence.

As their journey continues, the contrast between Bruno's reckless abandon and Roberto's cautious demeanor becomes more pronounced. Their interactions reveal deeper layers of their personalities, exposing Bruno's underlying discontent and Roberto's internal struggle between conformity and the desire for freedom. The road trip serves as a crucial turning point for Roberto, pushing him out of his comfort zone and forcing him to confront the choices that define his life.