In Paris, a young girl is found dead in a Parisian square, wearing an evening dress. Commissioner Maigret will try to identify her and then understand what happened to the victim.
| Directing | Patrice Leconte | Director |
| Writing | Patrice Leconte | Screenplay |
| Writing | Jérôme Tonnerre | Screenplay |
| Writing | Georges Simenon | Novel |
| Sound | Bruno Coulais | Original Music Composer |
| Production | Philippe Carcassonne | Producer |
| Production | Jean-Louis Livi | Producer |
| Camera | Yves Angelo | Director of Photography |
| Editing | Joëlle Hache | Editor |
| Costume & Make-Up | Annie Périer | Costume Design |
| Production | Tatiana Vialle | Casting |
| Costume & Make-Up | Jean-Marc Benois | Hairstylist |
| Costume & Make-Up | Turid Follvik | Key Makeup Artist |
| Sound | Paul Lainé | Sound |
| Sound | Eric Tisserand | Sound Re-Recording Mixer |
| Art | Loïc Chavanon | Production Design |
| Production | Thierry Desmichelle | Associate Producer |
| Production | Rémi Jimenez | Associate Producer |
| Production | Caroline Mougey | Associate Producer |
| Production | John Simenon | Associate Producer |