Attractive teenager Sergia usually hangs out with her older sister and her circle of mature friends. For a change, she is convinced by two teenage male friends to go for a beach vacation. Their main motive is to try to win her affection and get to sleep with her. Tragedy soon follows when the love triangle unravels.
| Directing | Florestano Vancini | Director |
| Writing | Florestano Vancini | Screenplay |
| Editing | Roberto Cinquini | Editor |
| Writing | Elio Bartolini | Screenplay |
| Costume & Make-Up | Rino Carboni | Makeup Artist |
| Art | Flavio Mogherini | Production Design |
| Camera | Roberto Gerardi | Director of Photography |
| Sound | Carlo Ramundo | Sound |
| Costume & Make-Up | Pier Luigi Pizzi | Costume Design |
| Writing | Marcello Fondato | Screenplay |
| Writing | Pier Antonio Quarantotti Gambini | Novel |
| Production | Silvio Clementelli | Executive Producer |
| Production | Giorgio Papi | Producer |
| Production | Arrigo Colombo | Producer |
| Sound | Carlo Rustichelli | Original Music Composer |
| Sound | Luigi Urbini | Conductor |
| Production | Anna Maria Campanile | Production Manager |
| Directing | Mimmola Girosi | First Assistant Director |
| Camera | Sante Achilli | Camera Operator |
| Production | Sergio Borelli | Unit Manager |