A young boy disappears after school. Is it a runaway? An abduction? Faced with the impotence of the police investigators, the grandfather comes to Paris and introduces himself into the world of child prostitution and drugs.
| Actor | Role |
|---|---|
 Michel GalabruJules Rampin | Jules Rampin |
 Pascale PetitMireille Rampin | Mireille Rampin |
 Catherine LeprinceChristiane Gantelme | Christiane Gantelme |
 Bruno PradalRaynald | Raynald |
| RRodolphe ArdanLaurent Gantelme | Laurent Gantelme |
 Pascale VignalFlorence Chevilly | Florence Chevilly |