Riccardo, belonging to an upper-middle class family from Puglia, studies religion in a Swiss boarding school. He has an incomplete relationship with his half-sister Stefania, who one day announces his engagement and the next marriage. Riccardo, wearing his cassock below, desperately tries to conquer the now reluctant half-sister.
| Actor | Role |
|---|---|
 Lino CapolicchioRiccardo | Riccardo |
 Valeria MoriconiStefania | Stefania |
 Paola MonteneroMarina | Marina |
 Paola SenatoreSerena | Serena |
| RRaffaele CuriNot listed | Not listed |
 Lorenzo PianiGiulio | Giulio |
 Aldo ReggianiNot listed | Not listed |
 Dino ArixiNot listed | Not listed |
| VValentino DainNot listed | Not listed |
 Barbara HerreraNot listed | Not listed |
| RRita LivesiNot listed | Not listed |
 Rubina ReyNot listed | Not listed |
 Jacques StanyLuigi | Luigi |