The bodyguard — he looked 12 the actor is actually 24 but they styled him in such a rafish way, he was very appealing — as proved by the fact he was 50% less attractive when he became the protectorate and in official uniform.
This is not an overdramatized and exaggerated plot where everything is predictable so it will keep you interested until the end.
In the end, righteousness and kindness choose to stand with Lee Hwi.