An assassin signs his crimes by cutting off the ears of his victims which he places between their teeth. In order to proceed with his arrest, an expert in criminology is contacted.
| Directing | Patrick Schulmann | Director |
| Writing | Didier Dolna | Co-Writer |
| Writing | Michel Zemer | Co-Writer |
| Writing | Patrick Schulmann | Writer |
| Editing | Aline Asséo | Editor |
| Camera | Jacques Assuérus | Director of Photography |