Kim Ji-yong, a student at the police academy, loses his mother at the hands of a local gangster when he is young and becomes a vigilante to punish criminals.
EPISODE 1
Episode 1
Kim Ji-yong loses his mother to a gangster and begins punishing criminals who evade the law.
EPISODE 2
Episode 2
Choi Mi-ryeo baits the Vigilante with more information on the criminals on REPO25h.
EPISODE 3
Episode 3
As Copycat crimes emerge nationwide, Jo Heon and Choi Miryeo go to the crime scene of the man who copied the Vigilante's modus operandi.
EPISODE 4
Episode 4
Jo Heon is close to discovering the identity of the Watcher, while Choi Miryeo pursues Kim Samdoo of Sewool Future Resources.
EPISODE 5
Episode 5
Choi Miryeo reports on Sewool Future Resources' alleged criminal activities; Kim Jiyong has Jo Heon's phone cloned by the fake Vigilante.
EPISODE 6
Episode 6
Kim Jiyong and Jo Gangok help Choi Miryeo resume her broadcasts as she continues to delve into the crimes committed by Kim Samdoo and the Mouse.
Nam Joo-hyuk
Kim So-jin
Yoo Ji-tae
Lee Joon-hyuk
Yoon Kyung-ho
Kwon Hae-hyo
Choi Jeong-yeol
Kwon Mi-kyung
Lee Sang-jik
Kim Tae-sung
