The dramatic events of the composer Mario Sirchi, falsely accused of murder, and his girlfriend Adonella who is revealed to have a secret sister, Nayda.
| Directing | Roberto Roberti | Director |
| Writing | Vittorio Bianchi | Writer |
| Writing | Sandro Salvini | Writer |
| Production | Francesca Bertini | Producer |
| Crew | Alberto G. Carta | Cinematography |