Someone causes a narcotics unit detective to become addicted to drugs. What is the connection between them?
지성
Jang Jae-gyeong
전미도
Oh Yoon-jin
이현소
Park Joon-Seo (teen)
권율
Park Tae-jin
Kim Kyung-nam
Won Jong-soo
이상준
Kim U-sung
정유민
Choi Ji-yeon
정순원
Heo Joo-song
윤나무
Park Jun-seo
서이라
Oh Soo-hyun
정재광
Kim Chang-soo
차엽
Oh Chi-hyeon
