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TV SERIES · Action & Adventure / Drama / Crime

Trigger.

What if everyone had guns?

8.1 / 1020251 seasons10 episodesEnded

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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Created by Kwon Oh-seung

THE STORY CONTINUES

Limited Series.

Episode 1

2025-07-25 · 50m8.3

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.

Episode 2

2025-07-25 · 1h 1m8.0

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.

Episode 3

2025-07-25 · 43m7.7

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.

Episode 4

2025-07-25 · 55m7.7

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.

Episode 5

2025-07-25 · 45m8.0

Guns reach bullied students and grieving parents, sparking new tragedies. Lee Do uncovers a network delivering weapons to vulnerable people across Korea.

Episode 6

2025-07-25 · 44m8.7

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.

Episode 7

2025-07-25 · 46m7.3

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.

Episode 8

2025-07-25 · 46m7.3

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.

Episode 9

2025-07-25 · 37m7.3

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.

Episode 10

2025-07-25 · 41m7.3

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.

Park Yoon-ho

Park Yoon-ho

Park Gyu-jin

Kim Nam-gil

Kim Nam-gil

Lee Do

Kim Young-kwang

Kim Young-kwang

Moon Baek

Moon Seong-hyun

Moon Seong-hyun

Teenage Moon Baek

Park Hoon

Park Hoon

Koo Jeong-man

Kil Hae-yeon

Kil Hae-yeon

Oh Gyeong-suk

Kim Won-hae

Kim Won-hae

Cho Hyeon-sik

Woo Ji-hyun

Woo Ji-hyun

Yoo Jeong-tae

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