S01E01 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.
Trigger
What if everyone had guns?
Overview
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.
Episodes
S01E02 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.
S01E03 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.
S01E04 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.
S01E05 Episode 5
Guns reach bullied students and grieving parents, sparking new tragedies. Lee Do uncovers a network delivering weapons to vulnerable people across Korea.
S01E06 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.
S01E07 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.
S01E08 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.
S01E09 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.
S01E10 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.
Cast
Kim Nam-gil
Lee Do
Kim Young-kwang
Moon Baek
Park Hoon
Koo Jeong-man
Kil Hae-yeon
Oh Gyeong-suk
Kim Won-hae
Cho Hyeon-sik
Woo Ji-hyeon
Yoo Jeong-tae
Jung Woong-in
Yoon Won-cheol
Cho Han-cheul
Captain Joo
Ahn Se-ho
Kim Deok-hyeon
Cha Rae-hyung
Seo Hyeong-ju
Jang Dong-ju
Jang Jeong-woo
Park Yoon-ho
Park Gyu-jin
