K2H was such fun. I really enjoyed it, mostly the cast and characters. The story has some issues, though. It mostly mixes the military genre with, loosely named, political melodrama, and mixes in romantic elements. This sometimes throws the tempo off in a few instances and the shift of attention can be a challenge. I personally took a couple of days off the drama whenever there was a significant genre shift happening, just to freshen up.

That being said, I felt that the military passages were done very well. The first couple of episodes, that many deem as a bit slow, were on of the highlight of the drama for me. It builds a strong backbone out of the characters and you quickly see that Hang Ah is the one you are going to root for the hardest. Jea Ha is kind of a different story, but has those shining moments pretty much since the beginning. They are a quick otp, mostly thanks to the great chemistry between Ha Ji Won and Lee Seung Gi. They were very well matched. And damn, Ha Ji Won can do anything, she's amazing.

The political melodrama had some interesting moments, but a lot of it was overshadowed by the antagonist who was quite over the top and sometimes did not balance it and crossed into the silly. I get what they were trying to say with his character and point of mixing business with the aims of private companies, but it just rubbed me the wrong way. The romance line was sweet, but used some of the motives repeatedly, which also hindered the show a bit.

Other than that, I loved it. The cast is great, even the secondary characters are amazing. There are also some twists that I did not see coming at all. K2H is innovative and in more than couple of things ahead of its time. I will definitely come back to my favourite parts.