Trigger Season 1 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.
Guest Stars
Sun Woo-sun
[Psychiatrist]
Kang Chae-young
Park So-hyeon [Nurse]
Kong Hyun-ji
Cho Se-yeong [Hyeon-sik's Daughter]
Do Eun-bi
Ko Ji-yeong [Water Purifier Coordinator]
Lee Suk
Jeo Won-sung [Sex Offender]