Synopsis:

A group of eight boy and girl scouts, accompanied by two leaders, arrive at a mountain refuge in the Pyrenees for a weekend in nature. But a sudden snowstorm leaves them completely isolated, with no communication and no way out. To keep calm, they decide to count themselves…eight…nine…ten…Eleven.

There is one more child.

Leo (12). No one knows who he is. No one remembers seeing him arrive. No one—except Biel (8)—seems to recognise him… though he cannot explain how. As the confinement drags on, Leo’s presence begins to unsettle the group. His behaviour grows increasingly disturbing and violent, turning the refuge into a suffocating space where fear spreads among the children and the adults’ authority starts to fracture. Cut off from the outside world, with no way to escape, Scout Leader Àlex is forced to confront a threat that didn’t come with the storm… but came in with them. Àlex understands that, in order to protect the others, she may have to cross a line there is no coming back from.