The whole production value is just too mindblowing, the depth of the storyline is incredibly insane and the level of scale is unimaginable, it's leaving you speechless over and over again literally after every plot twist. This will go down as the best modern political kdrama ever made in history and it's soaring past others by a very huge leap, almost monumental for any kdrama scene. The screenplay has extremely precise execution of political strategies and intelligence battles, every single threat design is carefully handled based on logical consideration that fits seamlessly into multiple environmental factors and connections, like a perfect art of war. Acting performances are needless to say, they're best in class and definitely the strongest hold of this drama, it's like watching real politicians strive against each other in reality, a total reflection of modern politics in today's world.