A man named Lee Du-seok publishes a book titled "Confession of Murder", claiming his responsibility for the case of a serial killer who murdered 10 women 17 years ago. His book becomes a huge success, making him an instant celebrity thanks to his good looks and innately danger that’s associated with his presence. Choi, the primary detective on the case, can only watch from the sidelines as his hands are tied, because Lee has been pardoned legally.