부모님이 교통사고로 사망한 것이 아니라 살해당했다는 사실을 알게 된 하루. 부모를 죽인 살인범을 찾기 위해 하루는 황동우가 제안한 위험한 거래를 받아들인다.
Ha-ru found out that his parents were not victims of a car accident but of a murder. To get to the bottom of the truth behind the murder, Ha-ru decides to do as requested by Hwang Dong-woo. Ha-ru is well aware of what Dr. Hwang wants to accomplish through him, but he takes the risk anyway. One wrong step can turn Ha-ru into a murderer, and he knows it more than anyone else.
