After biologist Sylvie discovers her brother Paul trying to steal a gun from her lab, he explains that he wishes to avenge the death of their father whom he suspects died at the hands of his business partner.
Unfortunately the movie Secret Defense is not yet available on HBO Max.
| Directing | Jacques Rivette | Director |
| Writing | Emmanuelle Cuau | Scenario Writer |
| Writing | Jacques Rivette | Scenario Writer |
| Writing | Pascal Bonitzer | Scenario Writer |
| Writing | Emmanuelle Cuau | Writer |
| Writing | Jacques Rivette | Writer |
| Writing | Pascal Bonitzer | Writer |
| Editing | Nicole Lubtchansky | Editor |
| Camera | William Lubtchansky | Director of Photography |
| Production | Maurice Tinchant | Producer |
| Art | Emmanuel de Chauvigny | Production Design |
| Costume & Make-Up | Anne Autran | Costume Design |
| Production | Martine Marignac | Producer |
