TV series
What if everyone had guns?
As illegal firearms flood into a gun-free South Korea, a resolute cop and a mysterious partner join forces to stop the chaos from sweeping the nation.
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Checked Jul 22, 2026
Trigger is available to stream on Netflix in United States. Use the direct links below to open the provider.
As illegal firearms flood into a gun-free South Korea, a resolute cop and a mysterious partner join forces to stop the chaos from sweeping the nation.
Cast, crew and production details
Park Yoon-hoPark Gyu-jin
Kim Nam-gilLee Do
Kim Young-kwangMoon Baek
Moon Seong-hyunTeenage Moon Baek
Park HoonKoo Jeong-man
Kil Hae-yeonOh Gyeong-suk
Kim Won-haeCho Hyeon-sik
Woo Ji-hyunYoo Jeong-tae
NetflixWatch options above are for the show and may vary by season or episode.
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.
Guest stars Sun Woo-sun, Kang Chae-young, Kong Hyun-ji, Do Eun-bi, Lee Suk
Where to watch Trigger
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.
Guest stars Lee Suk, Kim Dae-gon, Gu Hyun
Where to watch Trigger
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.
Guest stars Lee Suk, Kim Dae-gon, Shin Mun-sung, Jeon Su-ji
Where to watch Trigger
Episode 4
Lee Do confronts a violent standoff and must decide how far to go to stop the killings, while suspicions about Moon Baek threaten their fragile alliance.
Guest stars Han Sa-myeong
Where to watch Trigger
Episode 5
Guns reach bullied students and grieving parents, sparking new tragedies. Lee Do uncovers a network delivering weapons to vulnerable people across Korea.
Guest stars Kong Hyun-ji
Where to watch Trigger
Episode 6
A gun in the hands of a student spells crisis at school. As panic spreads, Lee Do and Moon Baek race rush to restore order — but it may be too late.
Guest stars Song You-hyun, Choi Jeong-in
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Episode 7
As fear and confusion grow, police and gangs rush to recover illegal guns. Lee Do feels powerless as the true scale of the arms crisis comes to light.
Guest stars Jeon Su-ji, Choi Jeong-in
Where to watch Trigger
Episode 8
Police raid the gun syndicate, and rival gangs and old enemies clash in bloody battles. Lee Do is pushed to the limits as violence hits all of Korea.
Guest stars Kang Chae-young, Kong Hyun-ji, Lee Ji-hoon
Where to watch Trigger
Episode 9
As guns reach new hands and fear sweeps the nation, Moon Baek's message echoes through the media. Across Korea, people must choose how to respond.
Guest stars Sun Woo-sun, Kang Chae-young, Shin Mun-sung, Gu Hyun, Lee Ji-hoon
Where to watch Trigger
Episode 10
With emotions running high, Lee Do and Moon Baek move toward a crossroads. One final choice will shape Korea's future — or plunge it into darkness.
Guest stars Kang Chae-young, Shin Mun-sung, Lee Ji-hoon, Kim Yoon-jin, Han Se-hee
Where to watch TriggerEpisode information updated Jul 22, 2026
