Ten years ago, during a coup that took place within the Haegang organization, the protagonist Kang Min lost his eldest senior brother—someone who was like a father to him. Consumed by rage, Kang Min hunted down and executed the traitors, only to be arrested in the process and sentenced to life imprisonment. Years later, as the Haegang organization spiraled out of control, the police—seeking to keep it in check—granted a suspension of sentence, leading to Kang Min’s release after ten long years. Now, the Yaksha of Hell, Kang Min’s blood-soaked revenge begins.