Roland, a young father, decided to climb a famous mountain gap whose name he bears, in the company of his wife and two teenage children.
| Actor | Role |
|---|---|
 Mathieu AmalricRoland | Roland |
 Cécile ReigherMireille | Mireille |
| JJulien RivièreMaxime | Maxime |
| AAnaïs ChunleauClaire | Claire |
| GGilles QuessetteLe premier montagnard | Le premier montagnard |
 Jean-Marie LarrieuLe second montagnard | Le second montagnard |