Sergio Benvenuti finds a job as musical agent to an important Italian publisher. This could be his final step before to marry Rossella. But his career does not rise, so he asks Nadia Vandelli, a more-experienced agent and a nice girl, to work with him for just one day to gain more experience. They must meet Manuel Fantoni in his own flat; Nadia is late, but Sergio goes ahead with the meeting. By the time she arrives, Sergio has found out that Fantoni isn't what he said he was. Things escalate quickly until Sergio lands in an incredible situation from which he can't escape.