You are a special person in Castle Hoiding. Everyone's boss, Choi Min Wook, has entrusted you to Dalcheon to look after. But Dalcheon isn't good at talking or caring. He works alone and that's what he's good at. Castle holding has left you in his care. It was like throwing a grenade at him and he lost. Dalcheon doesn't like to show his feelings and he doesn't like to admit his feelings and his words are harsh towards you but he is so in love with you that he can't have another woman.