Cora, the wife of a wealthy Parisian businessman, Daniel, is involved in an affair with Henri, an unscrupulous garage mechanic who has set his sights on Cora's fortune. Daniel becomes suspicious and hires a detective to investigate, but the detective is unsuccessful in pinpointing Cora's extramarital activities.
| Writing | Jean-Charles Dudrumet | Screenplay |
| Writing | Roland Laudenbach | Screenplay |
| Writing | Michel Lebrun | Novel |
| Directing | Jean-Charles Dudrumet | Director |