Sehun is the usual rescal son who doesn't give his famous parents, anything but problems. Sick and tired to cover his mess, Yunho sends him to his best friend Junsu. Without the social life, internet and all the comfort provided by his parents' money, Sehun finds himself lost between the walls of the old mansion. More he discovers the Kims' most guarded secret. A child who is in a lot of pain.