Connection

A drug-addicted narcotics team ace

Someone causes a narcotics unit detective to become addicted to drugs. What is the connection between them?

Drama Crime Mystery

Ji Sung

(Jang Jae-gyeong)

Jeon Mi-do

(Oh Yoon-jin)

Lee Hyun So

(Park Joon-Seo (teen))

Kwon Yul

(Park Tae-jin)

Kim Kyung-nam

(Won Jong-soo)

Lee Sang-jun

(Kim U-sung)

Jung Yoo-min

(Choi Ji-yeon)

Jung Soon-won

(Heo Joo-song)

Yoon Na-moo

(Park Jun-seo)

Seo Yi-ra

(Oh Soo-hyun)

Jeong Jae-kwang

(Kim Chang-soo)

Cha Yeob

(Oh Chi-hyeon)

Lee Kang-wook

(Jung Yoon-ho)

Cho Han-gyeol

(Young Jang Jae-gyeong)

Kim Min-ju

(Young Oh Yoon-jin)

Park Keun-rok

(Jung Sang-eui)

Yoo Hee-je

(Gong Jin-wook)

Ryu Hye-rin

(Kang Si-jung)

Park Jung-pyo

(Yoo Gyeong-hwan)

Yoon Sa-bong

(Jung Yeon-joo)

Moon Sung-keun

(Won Chang-ho)

Han Hyeon-jun

(Min Hyeon-woo)