I had high expectations about this drama. At first it was like so exited to see Lee Hyun Woo and Lee Hong Bin. The story is good at the begging, the drama introduce all the characters, but there are so many that follow the storyline turns boring. I expected exciting fights and supernatural powers, but in change normal fights, supernatural powers showed 4 or 5 times. The climax start in the ep 12, that's right, 5 episodes to develop the true story, ep 15 would be great in the middle of the drama. The end...predictable, happy ending, win-win. But... yeah in the other hand it teach about love, friendship, loyalty, forgiveness, family. By the way, Lee Hyun Woo killer smile is an important point to watch until the end this drama.