Afghanistan, 2014. As the withdrawal of troops approaches, Captain Antàres Bonassieu and his squad have been assigned a surveillance mission in a remote valley of Wakhan, on the border of Pakistan. Despite Antàres and his men's determination, control of the secluded valley will slowly fall out of their hands, especially when, during the course of one dark night, soldiers begin to disappear, calling into question the true nature of this mysterious enemy.