Due to the immense hype this drama received I was interested like everyone else to see what's behind the drama that got everyone speechless. At the beginning I remember being quite judging towards the duration of the episodes because you can easily turn episodes with an average of 1h and 15min into a sleeping feast. To my surprise the episodes passed really quickly though - which means they structured them in a way which left me constantly entertained and/or emotionally tense. The plot by itself wasn't that complicated but the flashbacks to the Goryeo era and the foreshadowing made it more fancier. Plotholes definitely exist in this drama - especially at the end and I didn't really like their conclusion since it felt rushed. What we all need to praise though is the amazing cinematography - it is unlike any other drama I've ever watched. First of all, at the beginning I was so stunned by everything that was presented to me that I honestly thought "how much effort did they put into this it is like a high quality movie". The special effects weren't ridiculous at all and everything harmonized so wonderfully. It keeps its well thought out quality until the end - it is seriously a nice experience. Dramas in the future will have to step up when they want to surpass this drama quality-wise. The second best thing about this whole drama is the cast. The jokes are fresh and immensely cute at the same time. Be ready to laugh every episode. I think this drama achieved to be deeply emotional but hilarious at the same time without losing its seriousness? I am also happy that they integrated two male protagonists that harmonize the best out of all the cast members - and also built a happy trio with Sungjae's character. In addition we really need to take a moment to honor Gongyoo's acting - so incredibly good. All in all, I would definitelly recommend watching this one since it is one of the best dramas I've ever watched. It manages to pull out fresh jokes left and right without having an overused plot. It is indeed worth the hype.