Jacques spends his summer vacation with his grandfather, Jericho, in the company of his wife Marie. The malicious ancestor quickly realizes that his grandson's marriage is on the brink of breakdown. He does everything to save him.
| Directing | Jacques Poitrenaud | Director |
| Writing | Jacques Poitrenaud | Writer |
| Writing | Catherine Paysan | Novel |
| Writing | Albert Cossery | Writer |
| Writing | Maria Suire | Writer |
| Editing | Laurence Leininger | Editor |
| Camera | Jean-Marc Ripert | Director of Photography |
| Production | Jules Borkon | Producer |
| Art | Guy Littaye | Production Design |
| Costume & Make-Up | Tanine Autré | Costume Design |
| Costume & Make-Up | Georges Bouban | Makeup Artist |
| Sound | Julien Coutelier | Sound |
| Sound | Alex Pront | Sound Mixer |
| Sound | Serge Gainsbourg | Original Music Composer |