Txomin, an unemployed archaeologist, is commissioned to carry out an expert report on Mars. With his brother Gene, they set off on an adventure through northern Spain. Gene's failing health and a mysteriously toxic haze cause them to seek help at their sister Mila. The reunion brings up old family issues while Gene's health gets severe.
The end of the world. In the face of violence and chaos, fleeing from an adult world in perdition, a group of children and adolescents between the ages of 7 and 14 are exiled in an abandoned castle in the heart of a forest. Relying on their own stories, idiosyncrasies and contradictions, together they reinvent a world and redraw its codes, away from that of adults and their iniquitous rules. They believe they are protected, until the day they take in Éris, an adult whom they save from death.
Alone in the mountains; Olivia, her father, and their home. By the foothills, a slaughterhouse, where Father works. When Father disappears, Olivia descends the mountains in his search.