This is a story that is constantly on edge. I never get a break at any time during this drama. The story line is so unnecessariliy confusing and there is almost no character development. It was so complicated that I could barely catch up. However, Ji Chang Wook is so good at acting that I decided to continue watching it, just for the eye candy. The suspense is real and expect to feel exhausted after watching it. The action is very good and near flawless, because, of course, Ji Chang Wook is the best kekekekkekekekeke