Alma and her brother spend the holidays with their grandmother on the family estate exploring its most secret corners. One day, Alma hears a voice coming from the cavern at the far end of the park.
| Actor | Role |
|---|---|
| DDora JacobinaAlma | Alma |
| AAntonin BrehierAbel | Abel |
 Ralph AmoussouLe roi | Le roi |
 Carole TrevouxLa grand-mère | La grand-mère |