Trigger (South Korean TV series)
Other languages: 한국어 · Español · Bahasa Indonesia
2025 South Korean TV series
Hallyu Wiki hub Made and checked by Hallyu Wiki
3,115 Wikipedia views in 7 foreign languages this week +32% vs last week
Top languages: 1. English 2.8K · 2. Spanish 268 · 3. Indonesian 73
2026-10-04 ~ 2026-10-10 · Wikipedia views (people only) — interest, not approval · The world is searching Korea → · Weekly interest index → · Method & limits
Hallyu Wiki has not yet covered this topic in an issue, explainer or news item.
Text from Wikipedia (CC BY-SA 4.0)
Source: Wikipedia, “Trigger (South Korean TV series)” · edit history · The text below was not written by Hallyu Wiki.
| Trigger | |
|---|---|
Promotional poster | |
| Hangul | 트리거 |
| RR | Teurigeo |
| MR | T'ŭrigŏ |
| Genre | Action thriller |
| Written by | Kwon Oh-seung |
| Directed by | Kwon Oh-seung |
| Starring | |
| Music by | Hwang Sang-jun[1] |
| Country of origin | South Korea |
| Original language | Korean |
| No. of episodes | 10 |
| Production | |
| Running time | 37–61 minutes |
| Production company | Bidangil Pictures |
| Budget | ₩30 billion |
| Original release | |
| Network | Netflix |
| Release | July 25, 2025 (2025-07-25) |
Trigger (Korean: 트리거) is a 2025 South Korean action thriller television series written and directed by Kwon Oh-seung. Starring Kim Nam-gil and Kim Young-kwang, it was released on Netflix on July 25, 2025.[2]
1. Synopsis
Trigger follows a rise in illegal gun distribution and escalating gun crimes. The story centers on two men—one a righteous police officer, the other a cunning arms dealer—who wield weapons for vastly different reasons.
2. Cast
2.1. Main
- Kim Nam-gil as Lee Do
- A former military sniper turned police officer investigating the illegal firearms trade.[3]
- Kim Young-kwang as Moon Baek
- Moon Seong-hyun as teen Moon Baek
- A mysterious arms dealer with a dual personality and a carefully orchestrated agenda.[3]
- Park Hoon as Koo Jeong-man
- The leader of a cleanup squad working for Gong Seok-ho.[2]
2.2. Supporting
- Gil Hae-yeon as Oh Kyung-sook
- A mother who is on a one-man protest for her son who died from a work-related accident.[2]
- Kim Won-hae as Jo Hyeon-sik
- A police sergeant at Domyeong Police Station and a father figure to Lee Do.[2]
- Woo Ji-hyun as Yoo Jung-tae
- A civil service exam candidate.[4]
- Yang Seung-ri as Gong Seok-ho
- The boss of the Glory Gang.
- Lee Suk as Jeon Won-seong
- A sex offender who has an electronic tag on his ankle.
- Jang Dong-joo as Jang Jung-woo
- A police officer and Lee Do's partner.[5]
- Cha Rae-hyung as Seo Hyung-joo
- A detective of the Violent Crimes unit of Gyeongin Seobu Police Station.
- Park Yoon-ho as Park Gyu-jin
- A bullied student in Jeongil High School.
- Son Bo-seung as Seo Yong-dong
- A bullied student in Jeongil High School.
- Hong Min-gi as Kang Seong-joon
- A student in Jeongil High School who frequently bullies Gyu-jin and Yong-dong.
- Kim Joong-hee as Wang Dae-hyeon
- A freelance reporter who goes on hot pursuit for news of gun crimes and illegal arms distributions.
2.3. Special appearances
- Jung Woong-in as Yoon Won-cheol
- A superintendent of Gyeongin Seobu Police Station.
- Jo Han-chul as Chief Joo
- The chief of the Violent Crimes unit of Gyeongin Seobu Police Station.
- Lee Ji-hoon as a repairman
- Formerly a fellow military comrade of Lee Do.
- Carson Allen as subway rider
3. Episodes
| No. | Title | Directed by | Written by | Original release date | |
|---|---|---|---|---|---|
| 1 | "Episode 1" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
|
Yoo Jung-tae, a civil service exam candidate, explains his homicidal ideation to a psychiatrist about him wanting to cause a mass shooting as he is suffering from stress and anxiety. Whilst trying to study for the upcoming civil service exam inside a low-cost apartment complex, his frustrations reached breaking point when his next-door neighbor has rough sex across his wall and refuses to listen to him. In his fury, he grabs his machine pistol and shoots both the man and their young girlfriend, along with the building manager dead. Jung-tae locks the doors of the apartment and maniacally stares down at the inhabitants. | |||||
| 2 | "Episode 2" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
|
Lee Do, a police officer and former ROK Army sniper and his rookie partner, Jang Jung-woo, respond to a nearby shooting. Despite fierce resistance, Lee Do's athleticism and agility allows him to apprehend Jung-tae. The duo discovers a stash of disassembled firearms and parts inside Jung-tae's room, which Lee Do masterfully reassemble them with ease, owing to his military expertise. In the interrogation room, Jung-tae confesses that the weapons were delivered by a courier. He angrily rambles to Lee Do about the state of society and warns that there are many other people who desire to have a gun and pull the trigger. Lee Do is notified that Jeon Won-seong, a registered sex offender under house arrest, has taken off his ankle monitor and hurries back to their house to search for him, when he stumbles upon a mysterious individual who is there to collect the package. | |||||
| 3 | "Episode 3" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
|
Lee Do question a mysterious individual inside Jeon Won-seong's house. The person, who calls himself Moon-baek, explains he saw Weon-seong leaving and he was looking for a package with the K2 assault rifle based on the address list found on his own package he received. Realizing that Weon-seong is armed, Lee Do orders dispatch to track down Weon-seong's last known movements through CCTV, when he spots a man in a red tracksuit running down the alley, whom Moon-baek knocks him unconscious. Lee Do continue to follow Weon-seong's trail with Moon-baek, before they realized that he is targeting Lee Do's police station. Lee Do cuffs Moon-baek by the car as they arrive just as Weong-seok initiates the mass shooting. As Leeo Do he tries to lure Weon-seong away from the officers, he makes his way to the evidence room to arm himself his own rifle and shoots at Weon-seong multiple times inside the office. Cornered and laying on the floor bleeding, Weon-seong tries to sneak up on Lee Do's colleagues, but Lee Do executes him with a fatal shot, unaware that this act was witnessed by Moon-baek–who had managed to free himself, as well as a freelance reporter, Wang Dae-hyeon, who recorded the footage. | |||||
| 4 | "Episode 4" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
| 5 | "Episode 5" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
| 6 | "Episode 6" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
| 7 | "Episode 7" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
| 8 | "Episode 8" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
| 9 | "Episode 9" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
| 10 | "Episode 10" | Kwon Oh-seung | Kwon Oh-seung | July 25, 2025 (2025-07-25) | |
4. Production
The series is written and directed by Kwon Oh-seung, who directed Midnight (2021). Its production budget was about ₩30 billion.[3]
5. Reception
On the review aggregator website Rotten Tomatoes, 100% of 9 critics' reviews are positive, with an average rating of 7/10.[6]
Read next
Picked from links in the article, shared issues and the same category · Open a random article →
Notes
- ↑ @hwang_sang_jun; (June 25, 2025). "Netflix series <Trigger>" (in Korean). Retrieved July 10, 2025 – via Instagram.
- ↑ Kim, Source (June 25, 2025). 김남길X김영광 뭉친 '트리거' 액션 스릴러 갈증 채워주나? 7월 25일 공개 확정 [Will Kim Nam-gil X Kim Young-kwang's 'Trigger' Quench Your Thirst for Action Thrillers? Confirmed for Release on July 25th]. MBC Entertainment (in Korean). Archived from the original on June 25, 2025. Retrieved June 25, 2025 – via Naver.
- ↑ Ha, Jang-won (July 7, 2025). "총기가 배달됐다"…300억 투입된 '청불' 넷플릭스 K-드라마 ["The gun was delivered"... Netflix K-drama 'Blue' with 30 billion invested]. tvreport News (in Korean). Retrieved July 10, 2025 – via Naver.
- ↑ Jung Ji-eun (2024-02-01). [단독] 우지현, 넷플릭스 '트리거' 출연…김남길·김영광과 호흡. The Seoul Economic Daily (in Korean). Archived from the original on 2024-02-01. Retrieved 2025-04-17.
- ↑ Yoo Soo-kyung (2025-01-25). [단독] 'FA 대어' 장동주, 차기작은 넷플릭스 '트리거'. Hankook Ilbo (in Korean). Archived from the original on 2025-02-23. Retrieved 2025-04-17.
- ↑ "Trigger: Season 1". Rotten Tomatoes. Fandango Media. Retrieved May 30, 2026.
Cite this page
Copy the line below to cite this page.
“Trigger (South Korean TV series).” Hallyu Wiki. https://hallyu.wiki/en/wiki/trigger-south-korean-tv-series/ (Retrieved 2026-10-12).
This article is based on the Wikipedia article “Trigger (South Korean TV series)”, licensed under CC BY-SA 4.0. See the edit history for the list of contributors. Image credits appear under each image.