This show is the epitome of redifining Kdrama usual style. The story line is very original. The cinematography are perfection. The lighting are all great. The artistic setting are great. The misé en scene are honestly perfect: it helps deliver the messages, the emotions, and the tension nicely. The acting is really great, the actors are really great but i bet its from the marvelous work of the director. A good director is really makes a show different. I would give this a 10 point, but the ending really makes a lot of people confuse.