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Poster: A Killer Paradox
Series

A Killer Paradox

살인자ㅇ난감
“A godsent hero or unpunished sinner.”
2024EndedSouth Korea

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CrimeComedyDramadetectivehackerex-cop
+4
serial killeryoung adultbased on a webcomic or webtoondark fiction

What's it about?

When one accidental killing leads to another, an ordinary young man finds himself stuck in an endless cat-and-mouse chase with a shrewd detective.

Where to stream?

1 offer
Netflix
Subscription
Checked 09/16/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)

Where else to find it

These offers belong to each country's catalog and usually can't be watched from here.

Availability data partly provided by JustWatch via TMDB.

Trailers & videos

살인자ㅇ난감 | 공식 예고편 | 넷플릭스 — Trailer · Korean · official · YouTube
Official Teaser [ENG SUB]
Teaser · English · official · YouTube
[Exclusive Preview] Learning you murdered a serial killer [ENG SUB]
Clip · English · official · YouTube
Choi Woo-shik and Son Sok-ku speaking English
Featurette · English · official · YouTube
[선공개] 우연히 살인을 저지른 최우식, 죽은 사람은 흉악범 | 살인자ㅇ난감 | 넷플릭스
Featurette · Korean · official · YouTube
제가 왜 아저씨를 죽이려는 걸까요? 범죄자 감별사 최우식 | 살인자ㅇ난감 | 넷플릭스
Featurette · Korean · official · YouTube
살인자ㅇ난감 | 제작기 영상 | 넷플릭스
Behind the scenes · Korean · official · YouTube
Making Of [ENG SUB]
Behind the scenes · English · official · YouTube

8 videos — they play on each provider's site

Cast

Portrait: Choi Woo-shik
Choi Woo-shik
최우식
Lee Tang
8 episodes
Portrait: Son Seok-koo
Son Seok-koo
손석구
Jang Nan-gam
8 episodes
Portrait: Lee Hee-jun
Lee Hee-jun
이희준
Song Chon
8 episodes
Portrait: Kwon Da-ham
Kwon Da-ham
권다함
Ahn Yong-jae
8 episodes
Portrait: Kim Min-ju
Kim Min-ju
김민주
Lee Young
5 episodes
Portrait: Oh Min-ae
Oh Min-ae
오민애
Lee Tang's Mother
6 episodes
Portrait: Heo Seon-haeng
Heo Seon-haeng
허선행
Lee Tang's Father
5 episodes
Portrait: Jung Hoe-ryn
Jung Hoe-ryn
정회린
Eun-seon
3 episodes
Portrait: Jo Hyun-wu
Jo Hyun-wu
조현우
Yeo Boo-il
1 episode
Portrait: Moon Young-dong
Moon Young-dong
문영동
Lee Gwang-hoon
1 episode
Portrait: Hyun Bong-sik
Hyun Bong-sik
현봉식
Park Choong-jin
6 episodes
Portrait: Park Ji-han
Park Ji-han
Jung Gang-hyo
4 episodes
Portrait: Choi Sun-woo
Choi Sun-woo
최선우
Gyeong-hwan
3 episodes
Portrait: Jung Yi-seo
Jung Yi-seo
정이서
Sun Yeo-ok
4 episodes
Portrait: Choi Mi-geum
Choi Mi-geum
최미금
Club Senior
1 episode
Portrait: Baek Yu-sung
Baek Yu-sung
백유성
Lee Jin-seong
3 episodes
S
Seo Jae-kwon
서재권
Kang Jae-joon
3 episodes
Portrait: Kim Keum-soon
Kim Keum-soon
김금순
Gwang-hoon's Wife
1 episode
Portrait: Yang Mal-bok
Yang Mal-bok
양말복
Shin Jung-hee
4 episodes
Portrait: Park Kyung-geun
Park Kyung-geun
박경근
Chief of Crime Department
3 episodes

20 of 46 people — scroll sideways

Crew

Music
Kim Young-ho, Ahn Sung-il, Lee Sung-june, Dalpalan
Director
Lee Chang-hee
Producer
Kim Ji-yeon, Kim Soon-ho, Shon Seung-ae, Kim Ji-soo, Jung Su-jin
Writer
Kim Da-min

Episodes

Limited Series — 8 episodes · from 02/09/2024

Page 1 of 1 · Episodes 1–8

Still from episode 1

Episode 1

S01E0102/09/202451 min

Flailing at life, Lee Tang panics after he kills a man after work. Soon, Jang Nan-gam is on the case — discovering a disturbing truth about the victim.

12 guest appearances

Kim Min-ju (Lee Young), Oh Min-ae (Lee Tang's Mother), Heo Seon-haeng (Lee Tang's Father), Jung Hoe-ryn (Eun-seon), Jo Hyun-wu (Yeo Boo-il), Moon Young-dong (Lee Gwang-hoon), Hyun Bong-sik (Park Choong-jin), Park Ji-han (Jung Gang-hyo), Choi Sun-woo (Gyeong-hwan), Jung Yi-seo (Sun Yeo-ok), Choi Mi-geum (Club Senior), Baek Yu-sung (Lee Jin-seong)

Still from episode 2

Episode 2

S01E0202/09/202453 min

A mysterious woman approaches Tang, claiming to know his secret and begins to blackmail him. The weight of his actions starts taking a mental toll.

11 guest appearances

Oh Min-ae (Lee Tang's Mother), Jung Hoe-ryn (Eun-seon), Hyun Bong-sik (Park Choong-jin), Park Ji-han (Jung Gang-hyo), Choi Sun-woo (Gyeong-hwan), Jung Yi-seo (Sun Yeo-ok), Baek Yu-sung (Lee Jin-seong), Seo Jae-kwon (Kang Jae-joon), Yang Mal-bok (Shin Jung-hee), Park Kyung-geun (Chief of Crime Department), Oh Woo-ri (Mi-young)

Still from episode 3

Episode 3

S01E0302/09/202451 min

Nan-gam struggles to find clear answers as he investigates the latest deaths. After connecting with an enigmatic figure, Tang decides to turn himself in.

12 guest appearances

Kim Min-ju (Lee Young), Oh Min-ae (Lee Tang's Mother), Heo Seon-haeng (Lee Tang's Father), Jung Hoe-ryn (Eun-seon), Hyun Bong-sik (Park Choong-jin), Park Ji-han (Jung Gang-hyo), Jung Yi-seo (Sun Yeo-ok), Baek Yu-sung (Lee Jin-seong), Seo Jae-kwon (Kang Jae-joon), Park Kyung-geun (Chief of Crime Department), Jang Sun (Jae-soon), Lee So-won (Kang Yeon-seo)

Still from episode 4

Episode 4

S01E0402/09/202450 min

Wondering if the same killer is behind all the murders, Nan-gam probes Roh Bin for clues, leading to an unlikely partnership between the two.

9 guest appearances

Kim Min-ju (Lee Young), Hyun Bong-sik (Park Choong-jin), Park Ji-han (Jung Gang-hyo), Park Kyung-geun (Chief of Crime Department), Nam Jin-bok (Ji Gyeong-bae), Oh Hye-won (Lee Yoo-jung), Lee Sang-won (Detective Kim), Ko Do-ha (Delivery Man), Kim Yo-han (Roh Bin)

Still from episode 5

Episode 5

S01E0502/09/202463 min

As Nan-gam notices a clear pattern among the recent murders, he searches for Tang — unaware of another mysterious man who is doing the same.

12 guest appearances

Kim Min-ju (Lee Young), Oh Min-ae (Lee Tang's Mother), Heo Seon-haeng (Lee Tang's Father), Hyun Bong-sik (Park Choong-jin), Nam Jin-bok (Ji Gyeong-bae), Lim Se-joo (Choi Gyeong-ah), Song Hyeong-su (Noh Eui-cheol), Roh Jae-won (Ha Sang-min), Han Yoon-ji (Hyeon-ji), Lee Joo-young (Choi Gyeong-ah's Mother), Gun Woo (Choi Gyeong-ah's Ex-Boyfriend), Kim Yo-han (Roh Bin)

Still from episode 6

Episode 6

S01E0602/09/202446 min

In his search for Tang, Song Chon confronts Bin — who desperately turns to Nan-gam for help. But Tang agrees to meet with Chon, who has a proposition.

5 guest appearances

Yang Mal-bok (Shin Jung-hee), Jang Jun-whee (Team Leader), Han Ji-an (Hyeong Ji-soo), Kim Yo-han (Roh Bin), Lee Ji-hoon (Moon Myeong-jun)

Still from episode 7

Episode 7

S01E0702/09/202458 min

Nan-gam comes face to face with Chon, who recognizes him from the past. As Bin and Tang plan their final escape, Bin receives a menacing phone call.

12 guest appearances

Kim Min-ju (Lee Young), Oh Min-ae (Lee Tang's Mother), Heo Seon-haeng (Lee Tang's Father), Choi Sun-woo (Gyeong-hwan), Jung Yi-seo (Sun Yeo-ok), Yang Mal-bok (Shin Jung-hee), Oh Woo-ri (Mi-young), Jang Ji-an (Jang Nan-gam (Young)), Kang Jee-seok (Jang Nan-gam (Teen)), Lee Ju-won (Jang Gap-soo), Seung Eui-yeol (Hyeong Jung-guk), Jang Ui-don (Congressman)

Still from episode 8

Episode 8

S01E0802/09/202458 minFinale

The endgame to the chase leads to a final fight — and it's everyone versus Chon. In the process, Nan-gam finally learns the truth about his father.

12 guest appearances

Oh Min-ae (Lee Tang's Mother), Heo Seon-haeng (Lee Tang's Father), Hyun Bong-sik (Park Choong-jin), Yang Mal-bok (Shin Jung-hee), Oh Hye-won (Lee Yoo-jung), Lee Sang-won (Detective Kim), Jang Ji-an (Jang Nan-gam (Young)), Kang Jee-seok (Jang Nan-gam (Teen)), Lee Ju-won (Jang Gap-soo), Lee Ji-hae (Detective Park's Wife), Kim Yo-han (Roh Bin), Lee Ji-hoon (Moon Myeong-jun)

Image gallery

Posters (17)

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Stills (14)

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Images © their respective rights holders · Source: TMDB