A postman in a small mountain village finds a woman and her son both dead in the "grotte aux loups" (cave of wolves). He soon begins to realize than it's not natural death, and that someone in the village in behind their murder, while tragic events occur.
| Actor | Role |
|---|---|
 Claude JadeSolange | Solange |
 Alain ClaessensRené | René |
| MMichel CassagneGuillaume Mauffranc | Guillaume Mauffranc |
 Maurice AufairGermain Mauffranc | Germain Mauffranc |
| BBernard BornLouis | Louis |
| JJacqueline BurnandMlle Jauffret | Mlle Jauffret |
 Neige Dolskyunknown | unknown |
| YYvonne Staraunknown | unknown |
 Jean-Marc StehléLe fromager | Le fromager |
| AAdrien NicatiM. Cornilliet | M. Cornilliet |
| WWilliam JacquesLe docteur | Le docteur |
| JJean-Marc HenchozFrancis | Francis |