Robert Avranche, a middle-aged, alcoholic garage owner, is sitting on a train, reflecting on the emptiness of his life. An attractive young woman, Donatienne, suddenly enters the compartment and offers to make love to him. Robert accepts but, when the woman leaves the train afterwards, he decides to follow her...
| Production | Alain Sarde | Producer |
| Sound | Dominique Hennequin | Sound Engineer |
| Camera | Jean Penzer | Director of Photography |
| Art | Bernard Evein | Set Decoration |
| Sound | Laurent Rossi | Original Music Composer |
| Production | Gérard Crosnier | Production Manager |
| Sound | Bernard Bats | Sound Engineer |
| Editing | Claudine Merlin | Editor |
| Directing | Bertrand Blier | Director |
| Writing | Bertrand Blier | Writer |