The Planning Officer still refuses to open up to Lee Hyun concerning his past in regard to Joon-Young. Team 1 starts working on another serial killer case involving stalking and missing persons. Detective Son’s blind date, Ji Hyun-Sook, goes missing. Lee Hyun develops a profile with possible locations the culprit may be working from. While Cha Ji-An and Team Leader Kang go to check it out, Lee Hyun has a dinner date with two persons of interest to him, Attorney Jung and Pathologist Lee.