Mina and Chaeyoung had a very rough relationship ever since they met. They consistently insult each other and bicker over things. Things stay that way until Mina, the princess of Edo goes missing after she runs away from the palace, leaving the knights, and the peasant, Chaeyoung to find her.

  Kim Chaewon is a not-so-dense fool. Maybe, it's just that she realizes everything so late, or maybe just because she would rather keep silent and keep everything to herself. But one thing's for sure, Honda Hitomi never really left her side.