Kim Hyeon-joon (Lee Joon-gi) joined the NCI team on the latest episode of the tvN drama "Criminal Minds".
Ha Seon-woo (Moon Chae-won) went to see Ma Hyeon-tae who was a likely suspect but she was attacked by a stranger. She then tracked down her attacker with Kim Hyeon-joon but failed. In the end, Choi Na-yeong's kidnap had taken a completely different turn.
Kang Ki-hyeong (Son Hyun-joo), the team manager of NCI, focused on Park Jae-min and Ma Hyeon-tae who was dead. Park Jae-min told him about the incident that happened in the boiler room. He had tried to kill himself in juvenile but was humiliated by Ma Hyeon-tae and the gang leader. Park Jae-min and Ma Hyeon-tae became obedient to this man.