In a cold, immense labyrinth, a beast prowls and devours anyone in its path. Death seems to be the only way out. Against the despair of all the condemned, Sam still hopes that escape is possible.

August in the French Alps. Young Elisa has just lost her grandfather. On a whim, she steals his ashes and flees into the mountain with his childhood friend, Malek. He alone remembers the path that leads to little Constantine, where Elisa must bring her grandfather.

Lucie and Jean-Michel are grappling with an existential crisis and a computer crash.