I really believe this drama deserve a lot of 10s from me, but then again it still had flaws. The good poinnts first. I was so hooked in everything this drama had, from story to its ost(the ost was on repeat on my ipod for a really long time). I was worried at first because when it wasn't yet airing the preview looked too perfect I might get disappointed when the drama airs. This drama turned me into a Jo In Sung and Song Hye Kyo fan. This drama was just so darn good. It was so good, it changed the way I choose what drama to watch next. Yes it wasn't perfect, but the way Jo In Sung and Song Hye Kyo performed saved the drama. Just amazing acting skills, especially JIS. Now the flaws. The first few episodes was really good. But as the story progresses, I felt like it lacked something. It just felt like the story just went on and on and on without any explanations. It included too many unnecessary scenes. And of course, the ENDING. It felt like the ending was to simple to end such a good drama. It was dragged, and confusing. I don't want to end my review negatively, so anyways this drama is still GOOD and I would rewatch this just like the other dramas I loved.