Song joongki never disappoint, he's all works are masterpiece and in this drama I found new gold gem Jeon Yeo bin what a fabulous actress.she is so perfect for this role.she play it really well and the best villain taecyeon he was on another level I got to say he played the role very very very well.this drama has got the perfect actors,the perfect cast to play.Each and every role played by the actors are well performed and the writer has the Power to control the world.I would recommend this drama to everyone.go n watch it.