A house on a small island. As usual, Jules spends his holidays with his parents. One day, the boy ventures into ruins and discovers a box full of letters from the past.
| Actor | Role |
|---|---|
 Max LibertL'enfant vague | L'enfant vague |
| DDiego BordonaroLe père | Le père |
| SSandra TrambouzeLa mère | La mère |
| CCharlotte MeurierJuliette | Juliette |
| TTristan PacioneThéo | Théo |
| CClémentine Carrié(voice) | (voice) |