Episode 1
After meeting a friend from 20 years ago, Jae Gyeong gets abducted and becomes addicted to an unknown drug.
2 guest appearances
Kim Moon-soo (Award Ceremony Police Officer), Kim Mi-ji (Nurse (Eps 1-2))
Series
Connection
커넥션
“A drug-addicted narcotics team ace”
2024EndedSouth Korea
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What's it about?
Someone causes a narcotics unit detective to become addicted to drugs. What is the connection between them?
Where to stream?
KOCOWA+
Checked 08/22/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
OnDemandKorea
Checked 09/29/2026 · United States catalog · account required.
Available
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Availability data partly provided by JustWatch via TMDB.
Cast
Ji Sung
지성
Jang Jae-gyeong
14 episodes
Jeon Mi-do
전미도
Oh Yoon-jin
14 episodes
Lee Hyun So
이현소
Park Joon-Seo (teen)
14 episodes
Kwon Yul
권율
Park Tae-jin
14 episodes
Kim Kyung-nam
김경남
Won Jong-soo
14 episodes
Lee Sang-jun
이상준
Kim U-sung
14 episodes
Jung Yoo-min
정유민
Choi Ji-yeon
14 episodes
Jung Soon-won
정순원
Heo Joo-song
14 episodes
Yoon Na-moo
윤나무
Park Jun-seo
14 episodes
Seo Yi-ra
서이라
Oh Soo-hyun
14 episodes
Jeong Jae-kwang
정재광
Kim Chang-soo
14 episodes
Cha Yeob
Oh Chi-hyeon
14 episodes
Lee Kang-wook
이강욱
Jung Yoon-ho
14 episodes
Cho Han-gyeol
조한결
Young Jang Jae-gyeong
14 episodes
Kim Min-ju
김민주
Young Oh Yoon-jin
14 episodes
Park Keun-rok
박근록
Jung Sang-eui
14 episodes
Yoo Hee-je
유희제
Gong Jin-wook
14 episodes
Ryu Hye-rin
류혜린
Kang Si-jung
14 episodes
Park Jung-pyo
박정표
Yoo Gyeong-hwan
14 episodes
Yoon Sa-bong
윤사봉
Jung Yeon-joo
14 episodes
20 of 26 people — scroll sideways
Crew
Director
Kim Moon-kyo
Episodes
Season 1 — 14 episodes · from 05/24/2024
Page 1 of 1 · Episodes 1–14
Episode 2
Jae Gyeong reunites with his friends from 20 years ago and finds them suspiciously linked to Jun Seo's death.
1 guest appearance
Kim Mi-ji (Nurse (Eps 1-2))
Episode 3
Jun Seo's body undergoes an autopsy, while Jae Gyeong and Yoon Jin dig deeper into Myung Guk's identity.
1 guest appearance
Do Geon-wu (Min-ho)
Episode 4
Jae Gyeong finds a lead in solving Jun Seo's death, and Yoon Jin discovers something shocking about Ji Yeon.
1 guest appearance
Do Geon-wu (Min-ho)
Episode 5
Someone tries to stop Jae Gyeong from investigating Jun Seo's death, but it doesn't stop him.
Episode 6
Jae Gyeong connects Lemon Mulberry to Jun Seo's death. With a lead, he goes undercover to meet the dealer.
Episode 7
Yoon Jin faces an unexpected crisis, and Jae Gyeong gets a lead from a dashcam video that makes him freeze.
1 guest appearance
Cho Yu-jin ([Doctor])
Episode 8
Jae Gyeong connects incidents on the day of Jun Seo's death that reward him with a lead in the mill murder.
Episode 9
Jae Gyeong connects the murder of the mill owner to Jun Seo's death while fighting withdrawal symptoms.
Episode 10
Jae Gyeong chases down the person who drugged him, leading him to CEO Yoon and closer to solving the case.
Episode 11
Jae Gyeong chases Yoon Ho with Si Jung's intel, and Yoon Ho makes his last attempt to escape and survive.
Episode 12
Suspicion and distrust form over Yoon Ho, while Sang Eui exposes the truth to Jae Gyeong and Yoon Jin.
Episode 13
Tae Jin retaliates against Jong Soo's attack, while Jae Gyeong sets up an operation to arrest Jin Wook.
Episode 14
The connection between friends driven by greed comes to face a tragic end to learn the meaning of friendship.
Image gallery
Posters (13)
Stills (11)
Images © their respective rights holders · Source: TMDB