The lawyer is visiting a prison to meet with a violent criminal who has been condemned to death. During the visit, things turn bad, there is a riot where prisoners escape and the criminal escapes taking a lawyer hostage.
| Directing | Gérard Oury | Director |
| Writing | Danièle Thompson | Writer |
| Writing | Gérard Oury | Writer |
| Crew | Rémy Julienne | Stunt Coordinator |
| Sound | Philippe-Gérard | Original Music Composer |
| Editing | Albert Jurgenson | Editor |
| Art | Jean André | Production Design |
| Costume & Make-Up | Tanine Autré | Costume Design |
| Production | Alain Poiré | Producer |
| Camera | Edmond Séchan | Director of Photography |
| Art | Georges Glon | Set Decoration |
| Costume & Make-Up | Pierre Berroyer | Makeup Artist |
| Sound | Jacques Maumont | Sound |
