When Ji-Yong Kim was a boy, his mother was murdered. The assailant was tried in the court of law but served a mere three and a half years because he “deeply regrets his actions.” 17 years later, Ji-Yong is a college student, studying to become a police officer. But on the weekends, Ji-Yong hunts down ex-convicts released by a justice system that has failed to protect the victims, taking justice into his own hands to make up for its shortcomings. (Source: WEBTOON, edited)

After graduating from the Korean National Police University and becoming a detective, Ji-Yong is assigned to investigate a suspicious report and comes face-to-face with a nationwide jeonse scam. As he confronts criminals who slip through the cracks of the legal system without proper punishment, Ji-Yong begins to question the rules of vigilante justice he once set for himself. While pursuing the scam’s ringleaders, the four vigilantes receive a threat from someone who knows their true identities and begin to sense the looming presence of a far greater evil. (Source: WEBTOON)