Series synopsis
Trigger, also known as 트리거 is a South Korean action & adventure drama crime television series that premiered on Netflix on July 25, 2025. It ended on July 25, 2025. It was created by Kwon Oh-seung. It stars Park Yoon-ho, Kim Nam-gil, Kim Young-kwang and Moon Seong-hyun.
Artem is 35 years old. He’s a psychologist, he uses this provocative methodology successfully until one of his clients commits suicide. The one who Artem tried to heal from a suicidal mood by taking him to the roof and telling him that suicide was the right course of action. Artem is condemned to 8 years of colony, the psycholo- gist’s license is taken away, his wife Dasha (32) leaves him, his friends turn their backs on him. With the help of his best friend, Artem gets out of jail. All he is lo ...
Premise
Artem is 35 years old. He’s a psychologist, he uses this provocative methodology successfully until one of his clients commits suicide. The one who Artem tried to heal from a suicidal mood by taking him to the roof and telling him that suicide was the right course of action. Artem is condemned to 8 years of colony, the psycholo- gist’s license is taken away, his wife Dasha (32) leaves him, his friends turn their backs on him. With the help of his best friend, Artem gets out of jail. All he is looking for is justice. He believes in his method and wants to prove that it’s actually working and the blame of the patient’s death is not on him. Each episode is a sep- arate case, Artem is brilliantly solving other people seemingly im- possible problems. But will he be able to save himself?
Premise: What if everyone had guns?
Cast and characters
Leading cast
- Park Yoon-ho as Park Gyu-jin
- Kim Nam-gil as Lee Do
- Kim Young-kwang as Moon Baek
- Moon Seong-hyun as Teenage Moon Baek
- Park Hoon as Koo Jeong-man
- Kil Hae-yeon as Oh Gyeong-suk
- Kim Won-hae as Cho Hyeon-sik
- Woo Ji-hyun as Yoo Jeong-tae
Supporting cast
- Jung Woong-in as Yoon Won-cheol
- Cho Han-cheul as Captain Joo
- Ahn Se-ho as Kim Deok-hyeon
- Cha Rae-hyung as Seo Hyeong-ju
- Jang Dong-ju as Jang Jeong-woo
- Son Bo-seung as Seo Young-dong
- Hong Min-gi as Kang Seong-jun
- Kim Joong-hee as Reporter Wang
- Park Kwang-jae as Yong-gu
- Sun Woo-sun as [Psychiatrist]
- Kang Chae-young as Park So-hyeon [Nurse]
- Kong Hyun-ji as Cho Se-yeong [Hyeon-sik's Daughter]
Guest cast
- Sun Woo-sun as [Psychiatrist]
- Kang Chae-young as Park So-hyeon [Nurse]
- Kong Hyun-ji as Cho Se-yeong [Hyeon-sik's Daughter]
- Do Eun-bi as Ko Ji-yeong [Water Purifier Coordinator]
- Lee Suk as Jeo Won-sung [Sex Offender]
- Kim Dae-gon as Cho Woo-tae [Jeong-man's Subordinate]
- Shin Mun-sung as Hwang Suk-min [Inspector]
- Jeon Su-ji as [Situation Room Chief]
- Song You-hyun as [Teacher]
- Choi Jeong-in as [Gyu-jin's Mother]
- Gu Hyun as Lee Do (child)
- Han Sa-myeong as [Internal affairs investigator]
Episodes
This series spans 5 seasons with 37 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 0 | 3 | ||
| Season 1 | 10 | July 25, 2025 | July 25, 2025 |
| Season 2 | 16 | January 7, 2022 | May 14, 2022 |
| Season 3 | 8 | September 19, 2024 | November 7, 2024 |
| Season 4 | 0 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Best Of Series 1 Hidden camera comedy show where members of the public and celebrities are set up by Dom Joly in various disguises, from giant squirrels to mad foreigners. It is all combined with a brilliant pop music soundtrack that makes Trigger Happy TV one of the funniest and original TV comedy shows around. Compilation of the best bits from series 1. |
|
| 2 |
Best Of Series 2 Hidden camera comedy show where members of the public and celebrities are set up by Dom Joly in various disguises, from giant squirrels to mad foreigners. It is all combined with a brilliant pop music soundtrack that makes Trigger Happy TV one of the funniest and original TV comedy shows around. Compilation of the best bits from series 2. |
|
| 3 |
Best Of Series 3 Hidden camera comedy show where members of the public and celebrities are set up by Dom Joly in various disguises, from giant squirrels to mad foreigners. It is all combined with a brilliant pop music soundtrack that makes Trigger Happy TV one of the funniest and original TV comedy shows around. Compilation of the best bits from series 3. |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 When a shocking mass shooting shatters Korea's calm, Lee Do races to stop the violence — then realizes the threat of illegal guns is just beginning. |
July 25, 2025 |
| 2 |
Episode 2 As shootings spread, Lee Do discovers guns in the hands of everyday citizens. When a victim hits close to home, his investigation grows more urgent. |
July 25, 2025 |
| 3 |
Episode 3 A police raid uncovers a cache of military weapons. Lee Do and his new ally Moon Baek close in on the arms network as the city reels from bloodshed. |
July 25, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Episode 1 | January 7, 2022 |
| 2 | Episode 2 | January 13, 2022 |
| 3 | Episode 3 | January 20, 2022 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Episode 1 | September 19, 2024 |
| 2 | Episode 2 | September 26, 2024 |
| 3 | Episode 3 | October 3, 2024 |
Production
Release
| Original network/platform | Netflix |
|---|---|
| First aired | July 25, 2025 |
| Last aired | July 25, 2025 |
| Runtime | 47 minutes |
| Status | ended |