A secret society, somewhere in France, is responsible for the major unsolved murder mysteries throughout history (such as Henri IV, Lincoln, Kennedy, John-Paul I)...
| Directing | Jean-Pierre Mocky | Director |
| Writing | William Judson | Novel |
| Writing | Jean-Pierre Mocky | Screenplay |
| Writing | Philippe Piazzo | Screenplay |
| Sound | Éric Demarsan | Original Music Composer |
| Camera | Edmond Richard | Director of Photography |
| Production | Jean-Pierre Mocky | Producer |
| Editing | Camille Caporal | Editor |
| Editing | Jean-Pierre Mocky | Editor |
| Production | Hélène Zadounaisky | Casting |