Alain Marchal, wrongly accused of murdering his wife, escapes from prison the day before his execution. Before committing suicide, he contacts Monsieur Charles, a retired gangster, and asks him to investigate, find the real culprit and clear his name. Monsieur Charles accepts his request and along with his wife Ginette and two former accomplices, Paragraphe and Teddy Coffre fort, embarks on his counter-investigation.
| Actor | Role |
|---|---|
 Lucien CoëdelNot listed | Not listed |
 Louis SalouNot listed | Not listed |
 Jany HoltNot listed | Not listed |
 Maurice TeynacNot listed | Not listed |
| AAbel JacquinNot listed | Not listed |
 Paul FrankeurNot listed | Not listed |
 Pierre-LouisNot listed | Not listed |
 Lise TopartNot listed | Not listed |
 Marguerite PierryNot listed | Not listed |
 Gisèle PrévilleNot listed | Not listed |
 Marcel AndréNot listed | Not listed |
 Renée DennsyNot listed | Not listed |
 Alex AllinNot listed | Not listed |
 Maurice ChevitNot listed | Not listed |
 Eddy DebrayNot listed | Not listed |
| DDenise DennNot listed | Not listed |
 François JouxNot listed | Not listed |
 Paule LaunayNot listed | Not listed |
 Serge NadaudNot listed | Not listed |