The wife of a Marseille industrialist is murdered. An inspector and a young journalist investigate together, and suspect the husband, then the lover, before finding the real culprit.
| Actor | Role |
|---|---|
 Antonin BervalInspector Francis | Inspector Francis |
 Fernand CharpinCommissioner Lampin | Commissioner Lampin |
 Colette DarfeuilColette, journalist | Colette, journalist |
 Paul DemangeJoseph | Joseph |
 Laure DianaIda | Ida |
 Jeanne Fusier-GirCleaning lady | Cleaning lady |
 Lucien GallasBourel | Bourel |
| PPhilippe GreySquire | Squire |
 Pierre LarqueyParpèle, reporter | Parpèle, reporter |
 Milly MathisFishmonger | Fishmonger |
 Max MaxudianMonsieur Ducret | Monsieur Ducret |
| TTeddy MichaudBruiser | Bruiser |
 Georges PécletPoussin | Poussin |
 Georges SaillardInvestigating judge | Investigating judge |
 SinoëlBalzac | Balzac |
| GGénia VauryGirl | Girl |
 Yvonne Rozille(uncredited) | (uncredited) |
| FFernande Saala(uncredited) | (uncredited) |