The probationary officers' first violent crime scene takes them by surprise. Yang-chon finds a piece of evidence that will clear his name.
Jung Yu-mi
Han Jung-o
Lee Kwang-soo
Yeom Sang-soo
Bae Sung-woo
Oh Yang-chon
Bae Jong-ok
An Jang-mi
Sung Dong-il
Ki Han-sol
Jang Hyun-sung
Eun Kyung-mo
Lee Eol
Lee Sam-bo
Lee Zoo-young
Song Hye-ri
Lee Si-eon
Kang Nam-il
Shin Dong-wook
Choi Myung-ho
Kim Gun-woo
Kim Han-pyo
Cho Wan-ki
Kim Min-seok
Baek Seung-do
Go Seung-jae
Lee Soon-jae
Yang-chon's Father
Kim Jong-hoon
Min Won-woo
Park Han-sol
Young Han Jung-oh
Yeom Hye-ran
Sang Soo's mother
Go Min-si
Oh Song-yi
