The massive Gangnam Wall borders around the city's richest from the slums of the poorest. The year is 2071. Thirteen boys, from thirteen of the most powerful and wealthy families lives inside in luxury. From just illegally going out of the wall to go to underground clubs, now every night they go by their aliases to fight crimes for the people outside the wall, which the government couldn't care less about. Until one simple mistake put them in a massive trouble. Outside. -- "What should we do?" Wonwoo's deep voice broke the silence that has been filling the room for a full ten minutes. Seungkwan and Dino looked at their leader in desperation. "We show them that we'll do exactly what we said." S.Coups stood up from his chair.