After serving together in the French Foreign Legion, a mercenary and a doctor leave the service and go their separate ways. Later, they are reunited and become involved with a caper involving millions in a high-security safe. The two men become locked in during a holiday weekend as they attempt to crack the safe's combination.
| Writing | Sébastien Japrisot | Novel |
| Production | Serge Silberman | Producer |
| Directing | Jean Herman | Director |
| Camera | Jean-Jacques Tarbès | Director of Photography |
| Writing | Sébastien Japrisot | Dialogue |
| Editing | Hélène Plemiannikov | Editor |
| Sound | François de Roubaix | Original Music Composer |
| Sound | Jean Labussière | Sound Editor |
| Writing | Jean Herman | Screenplay |
| Writing | Sébastien Japrisot | Screenplay |
| Costume & Make-Up | Tanine Autré | Costume Design |
| Crew | Claude Carliez | Stunt Coordinator |
| Art | Jacques Dugied | Production Design |
