NO PLACE IS SAFE. Amid an epic conflict with no end in sight, Ellie and her four remaining friends discover that their hidden refuge is quickly becoming a crowded place-now that they've taken in an uncooperative crew of orphans. Things only get worse when Ellie and Homer learn that mysterious visitors have discovered their sanctuary. Is the enemy approaching? As their parentless young recruits expose the true cost of war, five ordinary teenagers must fight to stay safe-and sane-in a military zone that was once called home.