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.
View episode detailsTrigger · Season 1
All Episodes
10
episodes · (Complete)
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Paul Chu Kong
Amin Baahmed
Johnny Flynn
Olivia Colman
Agnez Mo
Lisa-Marie Koroll
Kathleen Robertson
Shion Wakayama
Li Chun
Zendaya
Tian Xiwei
Scarlet Rose Stallone
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