Set against the backdrop of a summer on the French Riviera, the Roussier family navigates the severe disability of the youngest daughter, 13-year-old Bertille, while her older sister, 17-year-old Marion, seeks refuge in a relationship with an older boy.
| Actor | Role |
|---|---|
 Mélanie LaurentMadeleine Roussier | Madeleine Roussier |
 Pierre-Yves CardinalGilles Roussier | Gilles Roussier |
 Sarah PachoudBertille Roussier | Bertille Roussier |
 Angelina WorethMarion Roussier | Marion Roussier |
 Félix KysylThomas | Thomas |
 Stéphane VarupenneFrançois | François |
 Anne LoiretProfesseure Morgane Janson | Professeure Morgane Janson |
 Thomas GioriaAntoine | Antoine |
 Maxence TualWilmarc | Wilmarc |
 Juliette GasquetFanny | Fanny |
| NNajim ZeghoudiMalik | Malik |
 Birane BaInterne hôpital | Interne hôpital |
 Ilinka LonyIlinka | Ilinka |
 Pascal DecollandLe psychologue | Le psychologue |
| LLucas CenciaiLéopold | Léopold |
 Claire TranFlorence | Florence |
| JJulie FrancoJulie | Julie |
| MMaïa PelageMaïa | Maïa |