___ **Synopsis** When Kim Ji-Yong was a child, his mother was beaten to death by a thug for no reason on the street. The thug only received 3 and half years in prison. Kim Ji-Yong is now an adult and he sees that his mother's killer hasn't changed at all. Kim Ji-Yong takes matters into his own hands and beats him brutally. Since then, Kim Ji-Yong begins living two totally different lives. During the weekdays, he is a model student at the police university, but, during the weekends, he punishes criminals who received ridiculously light sentences and continue to commit criminal acts. Kim Ji-Yong is now called Vigilante and he receives help from Jo Gang-Ok, who admires him. Meanwhile, Jo Heon, who is the team leader of a police investigation team, chases after the man called Vigilante. Choi Mi-Ryeo is a reporter of a broadcasting station and she covers Vigilante. ___ **Information** * **Audio:** Korean, Korean [Audio Description], English, English [Audio Description] * **Subtitles:** English, Chinese, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Braziliian), Portuguese (European), Spanish (Latin), Spanish (European), Swedish, Turkish