Berthon, racing driver, is committed to the 24 Hours of Le Mans while Genevieve, his wife, has been trying for years to convince him to retire. Desperate, she became the mistress of his brother, always jealous of his elder.
Unfortunately the movie Meurtre au ralenti is not yet available on HBO Max.
| Directing | Jean-Paul Carrère | Director |
| Writing | Pierre Boileau | Writer |
| Writing | Thomas Narcejac | Writer |
| Sound | Claude Leduc | Sound Director |
| Editing | Yvonne Sarreste | Editor |
| Art | Jacques Lys | Set Designer |
| Camera | Jacques Manier | Director of Photography |
