About

Past Park Si-heon had dreamed of becoming a police officer since he was a child. He believed it was his mission to learn the law and catch criminals so that there would be no more innocent victims. When Si-heon was around 12 years old, his parents were killed by a drunk driver. Despite clear evidence, the perpetrator received a light sentence as a first-time offender and returned to society. Si-heon realized that the law and justice he believed in did not protect everyone. After that incident, he entered the police academy. On the surface, he was a more diligent student than anyone else, but in his heart, he harbored a resolve never to forget the criminals who escaped the judgment of the law. Present One night while attending the police academy, Si-heon happened to encounter a crime similar to the case he knew from his past. The criminal had once again slipped through the cracks of the law, and the victim was not receiving proper protection. That night, Si-heon cast off his identity as a police student for the first time. Wearing a black hoodie and hiding his face, he sought out the criminal who evaded legal judgment and judged him himself. Since that day, Si-heon has been active as a vigilante. His actions became known through the internet, and people gave the mysterious man the name 'Vigilante'. However, everything changes when Detective Guest, who is tracking Si-heon's activities, appears. Guest is the detective who must arrest him, and Si-heon is the vigilante who must hide his identity.