2025 • TMDB 8.1 • 10 episodes • Action & Adventure, Drama, Crime
Overview
Trigger starts from a chilling what-if: what happens when illegal firearms start flooding into a country that has long been gun-free? South Korea’s sense of safety begins to crack as weapons arrive by parcel and fall into ordinary hands, turning everyday disputes into deadly confrontations. At the centre of the chaos is Lee Do, a resolute detective determined to trace the guns to their source, and Moon Baek, a mysterious partner whose motives are never quite clear. Together they follow a trail that runs from street-level shootings to the people profiting from the trade, and every step forces them to decide how far they will go. Tense, violent and deliberately provocative, Trigger is an action thriller that uses its high-concept premise to ask serious questions about safety, responsibility and the cost of putting a weapon within anyone’s reach.
Creator and Main Cast
Trigger was created by Kwon Oh-seung for Netflix. The cast includes Kim Nam-gil as Lee Do (10 episodes), Kim Young-kwang as Moon Baek (10 episodes), Park Hoon as Koo Jeong-man (10 episodes), Kil Hae-yeon as Oh Gyeong-suk (10 episodes), Kim Won-hae as Cho Hyeon-sik (10 episodes) and Jung Woong-in as Yoon Won-cheol (10 episodes).
Seasons Snapshot
Trigger is a limited series with 10 episodes. It premiered on July 25, 2025, with its season finale, Episode 10, released the same day.
Why Watch Trigger?
Trigger is worth watching because its premise is genuinely unsettling and its action never feels empty. The show builds tension from small, believable moments — a package delivered, a stranger’s temper flaring — before letting the violence land with real consequences. Kim Nam-gil anchors the series with a grounded, weary performance, while Kim Young-kwang keeps the audience guessing about where his character’s loyalties lie. If you like crime thrillers that combine propulsive set pieces with a point to make, Trigger delivers both.
Trailer
Watch the official trailer on YouTube: Trigger | Official Trailer | Netflix
Where to Watch
In the US, Trigger streams on Netflix. Availability was checked against JustWatch US listings on October 30, 2026, and may change over time.
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