Trigger (Season 1)

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.

Episode 1 (Episode 1) 8.0
Air date: 2025-07-25
Runtime: 50 min
Overview: 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 (Episode 2) 8.0
Air date: 2025-07-25
Runtime: 61 min
Overview: 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 (Episode 3) 7.7
Air date: 2025-07-25
Runtime: 43 min
Overview: 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 (Episode 4) 7.7
Air date: 2025-07-25
Runtime: 55 min
Overview: 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 (Episode 5) 8.0
Air date: 2025-07-25
Runtime: 45 min
Overview: Guns reach bullied students and grieving parents, sparking new tragedies. Lee Do uncovers a network delivering weapons to vulnerable people across Korea.
Episode 6 (Episode 6) 8.7
Air date: 2025-07-25
Runtime: 44 min
Overview: 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 (Episode 7) 7.3
Air date: 2025-07-25
Runtime: 46 min
Overview: 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 (Episode 8) 7.3
Air date: 2025-07-25
Runtime: 46 min
Overview: 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 (Episode 9) 7.3
Air date: 2025-07-25
Runtime: 37 min
Overview: 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 (Episode 10) 7.3
Air date: 2025-07-25
Runtime: 41 min
Overview: 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.