A Hard Day (2014)
Park Chang-min: There are 2 types of humans. One who lowers his tail before the alpha. And the one who tries hard after a beat. Which one are you?
Go Geon-soo: Are you a cop?
Park Chang-min: Didn't I give you a jolt? That sinking feeling.
Go Geon-soo: What do you want?
Park Chang-min: That was the most important and smart thing you've ever said. What I want? It's simple.