I'm totally engrossed in Teach You a Lesson. It doesn’t come around often to discover a series that manages to combine an appealing "power fantasy" concept with genuine depth. Each installment delivers what feels like a new, intense examination that imparts a different moral. It goes beyond just the action sequences—Kim Mu-yeol's acting is exceptional—and focuses on the deeper theme of pursuing fairness within a flawed structure. Seeing those who’ve done wrong ultimately held accountable provides a real sense of release. The script is well-crafted, the rhythm moves quickly, and the emotional weight keeps you engaged throughout. If you want a Korean drama that's both exciting and significant, this one is absolutely worth checking out. I suggest it!

Source on TMDB