In the "Valley School", as the holidays approach, students' lives will be turned upside down by the arrival of a new teacher.
| Actor | Role |
|---|---|
 Nathalie DelonMartine | Martine |
 Daniel CeccaldiNorbert | Norbert |
 Éléonore KlarweinMarie | Marie |
 François-Eric GendronLaurent | Laurent |
 Chantal GoyaChantal Goya | Chantal Goya |
| TTcheng PhamUne asiatique | Une asiatique |