Choi Yena, Ahn Yujin and Kim Minju are childhood friends. Choi Yena, princess Kim Minju's royal guard and supposed spouse was believed to die in a war against the neighboring empire. 

Feeling lost bec of her amnesia, Choi Yena found herself under the care of a nomadic healer, Kim Chaewon. 

Back home, Ahn Yujin announces Yena's death and tries ways to win Kim Minju's heart, the lady she had secretly loved all these years. 

New relationships flourished.

But what happens when the ghost of the past came knocking at their doors?