Here you are, a hacker for one of the biggest gangs in Seoul just trying to live a halfway normal life. You're the younger sister of Yoongi, the leader of the Wolf Gang. Along with his right-hand man Seokjin and assassin Jimin, you get along pretty well with the team. Your biggest rivals, the Panther Gang, consists of leader Namjoon along with his right hand man Hoseok, assignments leader Taehyung, and underdog Jungkook. Your brother and Namjoon hate each other for unknown reasons, therefore tensions between the two gangs to be high. But what were to happen if you fall for one of the rival gang members? What happens when a third gang is introduced: the Viper Gang. Will everyone's secrets remain hidden, or will everything come crashing down. In a world where secrets and violence are one's addictions, it's either kill.... or be killed.