Wanneer een vrouw wordt beschuldigd van moord, brengt het onderzoek langzaam talloze politieke verbanden aan het licht. Laubret, de door de rechtbank aangestelde advocaat, doet er alles aan om de waarheid bloot te leggen.
Nee, helaas is Défense de savoir nog niet beschikbaar op Netflix in Nederland.
| Sound | Michel Desrois | Sound Assistant |
| Sound | Bruno Nicolai | Original Music Composer |
| Editing | Nicole Lubtchansky | Editor |
| Costume & Make-Up | Olympe Watelle | Costume Design |
| Costume & Make-Up | Monique Archambault | Makeup Artist |
| Directing | Gianfranco Clerici | Second Assistant Director |
| Editing | Cristiana Tullio-Altan | Assistant Editor |
| Production | Raymond Danon | Producer |
| Directing | Jean-Jacques Beineix | Second Assistant Director |
| Sound | Harald Maury | Sound |
| Production | Ralph Baum | Production Manager |
| Art | Dominique Chapuis | Assistant Production Design |
| Directing | Élisabeth Rappeneau | Script Supervisor |
| Camera | William Lubtchansky | Director of Photography |
| Art | Anastasio Papatakis | Production Design |
| Camera | Claude Schwartz | Still Photographer |
| Editing | Carole Marquand | Assistant Editor |
| Directing | Jean-Patrick Lebel | First Assistant Director |
| Directing | Jacques Racine | Second Assistant Director |
| Directing | Nadine Trintignant | Director |
| Writing | Nadine Trintignant | Writer |
| Writing | Alain Corneau | Writer |
