The Martin family is shopping in a department store. Tiennot is responsible for looking after his little brother, Bébert, but he prefers to chase girls. On the train home, Tiennot leaves Bébert alone. On arrival, Bébert has disappeared. The Martin family sets out to find him.
| Directing | Yves Robert | Director |
| Camera | Liliane de Kermadec | Still Photographer |
| Writing | François Boyer | Writer |