Sarah, in her forties, is on the verge of exhaustion. Her children, ages 9 and 5, take up all her time and her husband is constantly on business trips. After disappearing on the beach for a few minutes, Simon becomes strange. He spends hours in his bathroom and seeks contact with water at the slightest opportunity. Sarah's life will change when her son confesses the truth...
| Actor | Role |
|---|---|
 Cécile de FranceSarah | Sarah |
 Arthur IgualAntoine | Antoine |
| DDarius ZarrabianSimon | Simon |
| NNavid ZarrabianLouis | Louis |
 Antoine ChappeyLe psychiatre | Le psychiatre |
| VVictor EstivantLe vendeur animalier | Le vendeur animalier |
| EElise AtlanMédecin généraliste | Médecin généraliste |
| XXiao HanServeur restaurant chinois | Serveur restaurant chinois |
| YYannick HorneckerGardien piscine | Gardien piscine |
| AAlbert AtlanEnfant plage | Enfant plage |
| PPascal FranksHomme regard sombre | Homme regard sombre |
| CChloé BoutronParent | Parent |
| RRomain ValetteParent | Parent |
| SStéphane LamCuisinier restaurant chinois | Cuisinier restaurant chinois |
| EEmilie RuanServeuse restaurant chinois | Serveuse restaurant chinois |