Kim Ji-yong loses his mother to a gangster and begins punishing criminals who evade the law.

Choi Mi-ryeo baits the Vigilante with more information on criminals on REPO25h.

Copycat crimes emerge nationwide, and Jo Heon and Choi Mi-ryeo chase after the Vigilante.

The fake Vigilante suggests joining forces, and Jo Heon closes in on the Vigilante's identity.

Mi-ryeo reports on Se-wool's alleged crimes, and Kim Ji-yong and Jo Heon come into conflict.

Ji-yong and Gang-ok help Mi-ryeo continue digging into Kim Sam-doo and the Vole.

The Vole tries to bury the case by sacrificing Kim Sam-doo, but Sam-doo retaliates with all he has.

Kim Ji-yong gathers everyone involved in one location, and the final battle begins.