I watch all 20 ep on two days and for every day i finish 10 ep, For the story its goes byond audience expections and thats make it so attractive and you will watch more and more till you want to know the whole truth about how North Korean & South Korea make alliance agiant Dr.Han and his lovely spy girlfriend
For the music its great but For action Clips acting & Video graphic still so poor and look like cheap i hope in futuer they learn from their mistakes and introduce something more realistic.