好孩子 Le bon fils

Bonjour tristesse: Teenager Luc lives with his mother Liliane and his little brother Paul in Paris, has to cope with the fact that his mother is a prostitute and practically raise his brother alone. Luc is disillusioned. One day, little Paul wants to phone his grandmother in Nord-pas-de-Calais, one thing leads to another and suddenly the whole family finds themselves in a holid...