Claudio Lacroics, a French-born prosecutor, is in Sicily to fight the Mafia. Every day he clashes with the beliefs of a community where the only rules are prejudice and silence. In addition, Claudio has married Lucienne and welcomes his sister Roberta into his home; she returns only to ask for money with her lover Richard.
| Directing | Luigi Petrini | Director |
| Editing | Bruno Micheli | Assistant Editor |
| Writing | Marino Onorati | Writer |
| Writing | Luigi Petrini | Writer |
| Writing | Angelo Sangermano | Writer |
| Crew | Guglielmo Mancori | Cinematography |
| Editing | Daniele Alabiso | Editor |
| Sound | Benedetto Ghiglia | Music |
| Art | Alberto Boccianti | Set Decoration |
| Costume & Make-Up | Silvana Scandiarato | Costume Design |
| Production | Giuliano Simonetti | Producer |