A Paris flea market vendor is transformed into a vigilante after his fiancée is murdered by three vicious thugs on a commuter train. As the revenge-minded young man tracks the killers, a veteran police inspector leads a parallel investigation.
| Directing | Jean-Claude Missiaen | Director |
| Writing | Jean-Claude Missiaen | Writer |
| Writing | Claude Veillot | Writer |
| Production | Alain Sarde | Producer |
| Sound | Ivan Jullien | Original Music Composer |
| Sound | Hubert Rostaing | Original Music Composer |
| Camera | Pierre-William Glenn | Director of Photography |
| Editing | Armand Psenny | Editor |
| Art | Dominique André | Production Design |
| Sound | Michel Desrois | Sound |
