Well If you are thinking, this is just a drama and now days K-Drama seems quite popular. Then You are absolutely right. But Let me tell you one thing this is not just a drama. This more than you think. Every Genre you see in this. Comedy, mystery, Romance, Adventure, Fantasy , Melodrama everything is in this Drama.
Jong Bong Hwan - You are really smart human , even you live in modern Korean or Joseon. You always win the show.
Shin Hye Sun is the real Queen.
Kim Jung Hyun is the real king.