Someone causes a narcotics unit detective to become addicted to drugs. What is the connection between them?
Jang Jae-gyeong
Oh Yoon-jin
Park Joon-Seo (teen)
Park Tae-jin
Won Jong-soo
Kim U-sung
Choi Ji-yeon
Heo Joo-song
Park Jun-seo
Oh Soo-hyun
Kim Chang-soo
Oh Chi-hyeon
