Reminiscences of a Killer

This event shook the media. Professor Han Chongu of Seoul National University developed a method for erasing memories and transplanting them from one person to another. He became a celebrity in scientific circles. However, soon something happened that turned his... life upside down once again…
 
One day, upon coming home to celebrate his wedding anniversary with his wife, he suddenly received a terrible blow to the head. Chongu lay unconscious for four days. And when he woke up, he was horrified to learn that a murderer had visited their apartment, from whom he received the injury. The unknown individual wrapped their small daughter's face in tape, and then threw his wife from the 19th floor…
 
For three years, it was never established who did this and why. But Chongu does not give up on trying to identify the murderer, although he has not gotten any closer to him yet. One day, he decides to help his police friend: to erase the traumatic memories of how he almost died, and transplant them to himself. Experiencing these events as fragments of his own life, Chongu unexpectedly sees a small detail that could become a significant lead to the murderer. Finally, he has a chance...