Upset by the death of one of her patients, Marie, a young nurse, decides to go in search of the relatives of the deceased. This is how she meets the gang of thugs of which he was a part.
| Actor | Role |
|---|---|
 Miou-MiouMarie | Marie |
 Paul CrauchetCommissioner Chailloux | Commissioner Chailloux |
 Gérard SergueLuc | Luc |
 AnémoneViviane | Viviane |
 Yveline AilhaudOdile | Odile |
 Yves BureauGaspard | Gaspard |
| PPhilippe TansouThomas | Thomas |
 Jean-Pol DuboisJonas Monodier | Jonas Monodier |
 Gérard DarierÉtienne | Étienne |
 André RouyerInspector | Inspector |