A married industrialist maintains three mistresses. On the instructions of his wife, the tax inspector seizes the small notebook where he records his illegal dealings. After a stormy marital explanation, the industrialist decides to reduce his costs by getting rid of his mistresses and expresses the intention of returning to legality. But he realizes that everyone, even his wife, prefers the old situation, fraud and mistresses, thanks to which everyone found his little profit.
| Actor | Role |
|---|---|
| MMireille PerreyHélène Marchand | Hélène Marchand |
 Armand BernardBillotte | Billotte |
 Jean TissierPascal Demaison | Pascal Demaison |
| JJules BerryChamboise | Chamboise |
 Charles DechampsSoult | Soult |
 Joëlle BernardDorothy | Dorothy |
 Henri VilbertBernard Marchand | Bernard Marchand |
 Georges BeverThe gardener | The gardener |
| LLisa DorelNot listed | Not listed |
 Jacqueline FrançoisSelf | Self |
 Mona GoyaNot listed | Not listed |
| NNadine OlivierNot listed | Not listed |
| CChristiane SertilangeNot listed | Not listed |
| SSuzanne StanleyBrigitte | Brigitte |
 Clément ThierryMarchand Junior | Marchand Junior |
 Vanna UrbinoMarchand Junior's girlfriend | Marchand Junior's girlfriend |
 Robert Le RayThe chauffeur (uncredited) | The chauffeur (uncredited) |
| JJean SylvainThe tax controller (uncredited) | The tax controller (uncredited) |
 Henri Decker(uncredited) | (uncredited) |
| GGeorges Montal(uncredited) | (uncredited) |