Watch Online Free FlixHQ. Antonio, a young Republican soldier, finds himself—along with his comrades—in the midst of an assault on a Nationalist trench during the Spanish Civil War. In the heat of the fierce conflict, he notices a lost and frightened child. Deciding to help, he breaks away from his group and ventures into an underground Nationalist bunker. Thus begins a mysterious game, as Antonio attempts to reach the child within the labyrinthine space.