Young Jin’s team decides to investigate Lee Young Sik and Kevin Jung who are involved in the cash dump and could be Dae Hoon’s accomplice. However, Lee Young Sik is missing and cannot be found anywhere. Young Jin fails to get any detailed or crucial information from Kevin Jung. Meanwhile, Sun Woo finds out that the one Eun Ho saved on the street was Jang Ki Ho.

Young Jin gets upset after realizing that her team members didn’t tell her that they had found out about Jang Ki Ho. She starts to investigate the connection between Jang Ki Ho and Choi Dae Hoon. In the school, Sun Woo and Young Jin find Dong Myung and Min Sung together in the science lab, and Min Sung is bleeding.