If you loved Rampant, try Confidential Assignment
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Kim Sung-hoon, and they sit in Action / Drama territory. If that's the register that drew you to Rampant, the second film will land in a comparable space — through a different lens.
What Confidential Assignment is
You investigate a crime in South Korea but then a North Korean case intersects. The director Kim Sung-hoon sets this against a backdrop of inter-Korean tensions.

