Catherine Spaak plays the teenage girl who goes on an island vacation with two young men who hope for romance with her. Fabrizio Capucci is the extroverted one while his friend (Jacque Perrin) is just the opposite. When she falls for an older man (Gabrielle Ferzetti), the introverted boy commits suicide. In the wake of his death, the young woman elects to forgo romantic involvement for the present time.