A group of young boys develops a crush on a girl, leading to jealousy toward her boyfriend. They scheme to disrupt their relationship, and when the boyfriend catches one of them spying, he punishes him harshly. In retaliation, the boys attempt to make the girl doubt her boyfriend's love.
Unfortunately the movie The Mischief Makers is not yet available on Disney Plus.
| Directing | François Truffaut | Director |
| Camera | Jean Malige | Director of Photography |
| Editing | Cécile Decugis | Editor |
| Sound | Maurice Le Roux | Original Music Composer |
| Directing | Claude de Givray | Assistant Director |
| Production | Robert Lachenay | Production Manager |
| Editing | Michelle de Bossell | Assistant Editor |
| Directing | Alain Jeannel | Assistant Director |
| Camera | Jean-Louis Malige | Assistant Camera |
| Writing | Maurice Pons | Short Story |
| Writing | François Truffaut | Screenplay |
