A group of friends on a climbing vacation ignore warnings that the mountains are closed and start their ascent anyway. Collapsing bridges, bear traps and other dangers threaten to splinter the group… when the real hell begins and an unseen villain begins picking them off one by one.
| Directing | Abel Ferry | Director |
| Writing | Johanne Bernard | Writer |
| Writing | Louis-Paul Desanges | Writer |
| Writing | Ludovic du Clary | Story Editor |
| Camera | Nicolas Massart | Director of Photography |
| Sound | Jean-Pierre Taïeb | Music |
| Production | Alain Benguigui | Producer |
| Production | Thomas Verhaeghe | Producer |
| Editing | Soline Guyonneau | Editor |
| Production | Aurélie Guichard | Casting |
| Art | Olivier Afonso | Art Direction |
| Art | Sébastien Inizan | Production Design |
