Choi Gang-seok weathers a political attack on his bureau. Hwa-jin's team visits an elite school to uncover why a student attacked a respected teacher.
Jeon Bong-seok
Kim Hyeong-ju
Ok Jin-uk
Cho In-beom
Yoo Tae-joo
Park Seong-hwan
Park Seo-yun
Han Ye-ri
Choi Deok-moon
Cheon Sang-yeol
Bae Jun-hyung
Park Hyeon-ung
