Hector Robles has spent his sixteen years in the projects of El Paso trying to stay unnoticed. His peaceful obscurity is shattered when his impulsive brother challenges the leader of a gang called the Discípulos. Suddenly Hector is drawn into their world of violence and hopelessness. When a marker is placed on his life, Hector tries to escape by going away to a school for students with troubled pasts. But it isn't easy to function when he's paralyzed by the fear that they'll find him, even there. Ultimately, by confronting external threats and the internal pain of his memories and mistakes, Hector begins to understand what manhood really means.