

What if everyone had guns?
2025 · 1 season · 47m · ★ 8.0
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.
Start from S1E1 · Episode 1
E12025 · 50m · ★ 8.3
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.
E22025 · 1h 1m · ★ 8.0
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.
E32025 · 43m · ★ 7.7
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.
E42025 · 55m · ★ 7.7
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.
Cho Hyeon-sik

Woo Ji-hyun
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