Like every weekend senator Henri Pagès and his wife entertain guests at their beautiful mansion in a peaceful village near Paris. But this time around, things go awry: Pierre Collier, a psychoanalyst and consummate womanizer, is brutally murdered. Claire, his wife, dazed and confused by his corpse, with a smoking gun still in her hand, seems to be the ideal culprit...
| Writing | Agatha Christie | Novel |
| Art | Wouter Zoon | Production Design |
| Writing | Pascal Bonitzer | Screenplay |
| Directing | Pascal Bonitzer | Director |
| Production | Saïd Ben Saïd | Producer |
| Writing | Jérôme Beaujour | Screenplay |
| Camera | Marie Spencer | Director of Photography |
| Production | Antoinette Boulat | Casting |
| Costume & Make-Up | Marielle Robaut | Costume Design |
| Editing | Monica Coleman | Editor |
| Sound | Alexey Aygi | Music |
