Deep in the Pyrenees, two close friends at rock bottom have the idea of the century: to pull themselves of their misery, they will launch a horse trekking tour, a voyage through the mountains for tourists in search of nature, silence and adventure.

Two, very different, brothers are reunited for their father's funeral. But, when they arrive at the crematorium nobody is there, not even the corpse, except for Chloe who introduces herself as their sister.

Comedy fuses with science fiction in this quirky film about the chaos that ensues when an “elk” (in fact, a tall individual who wears a coat, does not speak, and has an elk’s head and antlers) emerges from the forest near a small town. Accepted by a family who interacts with him as if nothing is unusual, they initially shelter their guest from their neighbors. But not for long!

After recently moving to Paris, Agnès finds herself delivering a letter to Milane, a local barista. From there the two acquaintances grow closer.