Ji Wool falls into Tae Oh's grasp, and he calls Mu Yeom from her phone to taunt him with her peril. Mu Yeom becomes desperate to save Ji Wool from becoming the next victim, realizing his colleagues are keeping information from him to prevent him from going over the edge. Tae Oh plants clues continuing to point to Ji Wool, and Mu Yeom's focus on her misdirects him long enough for Tae Oh to complete the 5th murder.