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.
Kim Seo-hyung
Cha Young-jin
Ryu Deok-hwan
Lee Sun-woo
Park Hoon
Baek Sang-ho
Ahn Ji-ho
Go Eun-ho
Jo Han-chul
Yoon Hee-seob
Seo Young-joo
Kim Tae-hyung
Min Jin-woong
Lee Jae-hong
Moon Sung-keun
Hwang In-bum
Park Cheol-min
Han Geun-man
Baek Soo-jang
Park Jin-su
Jang Young-nam
Jung So-yun
Park Min-jung
Bae Sun-a
Yoon Chan-young
Ju Dong-myung
Tae Won-seok
Ko Hee-dong
Jeon Seok-chan
Kim Byung-hee
Kwon Hae-hyo
Jang Gi-ho
