Antoine, 11, is on holiday with his grandfather. One night he catches thieves hiding their booty in a pond. Antoine seizes the 40 million. But Liza, his new friend, is the daughter of one of the criminals. Both children soon face threats.
| Writing | Guy Lagorce | Screenplay |
| Writing | Guy Lagorce | Novel |
| Directing | Claude Pinoteau | Director |
| Writing | Jean Veber | Writer |
| Production | Alain Poiré | Producer |
| Writing | Claude Pinoteau | Writer |
| Camera | Jean Tournier | Director of Photography |
| Sound | Vladimir Cosma | Original Music Composer |
| Editing | Marie-Josèphe Yoyotte | Editor |
| Production | Françoise Menidrey | Casting |
| Art | Hugues Tissandier | Production Design |
| Art | Gilles Boillot | Art Direction |
| Costume & Make-Up | Annie Guesnel | Costume Design |
| Production | Florent Valentin | Production Manager |
| Production | Marc Goldstaub | Production Manager |
| Production | Philippe Desmoulins | Production Manager |
| Sound | Bernard Bats | Sound |
| Sound | Pierre-Yves Bruneel | Sound |
