The Goblin

Doo Hyeon, who goes by the name the "Goblin", goes to prison for taking the fall for Yeong Min who killed their boss.

Released after 10 years, Doo Hyeon had been living a normal life, until he found out Yeong Min had been taking advantage of his name "Goblin".

Yeong Min goes so far as to kidnap Doo Hyeon's daughter to keep his mouth shut. Enraged, Doo Hyeon seeks revenge and announces the return of the real "Goblin".