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.
