Mia, now a grandmother, thinks back to her teenage years, particularly to an evening in the countryside with friends, a memory she cherishes fondly. She then decides to write a letter to her granddaughter, Sophie, encouraging her to embrace life with joy.
| Actor | Role |
|---|---|
| SSelma TamiattoMia (jeune) | Mia (jeune) |
| SSacha CornevinPaul | Paul |
| HHonoré BerrierGaston | Gaston |
| EElisa FabreAlma | Alma |
| LLouis RosmannLouis | Louis |
| FFrançoise LoiseauMia (agée) | Mia (agée) |
| VVincent Tamiattopère de Mia (voix) | père de Mia (voix) |