Afflicted by a terminal illness, Daniel convinces Henry to accompany him to the summit of a mountain they visited together during childhood. But their journey takes a dark turn as they enter the wilderness surrounding a mysterious project run by Sirevo, a secretive private corporation whose local operations have sparked intense scrutiny. As unexplained phenomena multiply throughout the forest, the brothers are forced into a confrontation with an environment that defies explanation — a place where the rules of time bend, and the past may never have truly disappeared.