Serafino, a young and innocent shepherd, inherits a huge fortune. He immediately starts spending the entire sum on presents for his friends, causing the envy of his family.

Elio is a member of a group of youngsters, all from good families, who have fun spending their days taking on silly challenges and perpetrating illicit activities. Their actions escalate and lead them to commit a robbery. Unfortunately, the robbery ends badly and a death ensues, leaving the group implicated in a murder. The police are groping in the dark due to the complexity of the investigation. Meanwhile, Elio meets and falls in love with a nightclub stripper, Suzette. The rest of the group, after a while, think they've got away with it, but make a reckless mistake that allows the police to track them down and arrest them.

Lello, a painter, and Mario, a singer, move to Rome looking for fortune and success.