A Prince of Vietnam in Korea

Yoona Chang is only sixteen years old but her world is already getting turned upside down. A devastating war threatens the Koryeo kingodm of ancient Korea that Yoona calls home. One day a mysterious and handsome stranger arrives in Yoona's village. He is a prince of Vietnam. Yoona does not know it yet but she will soon set off on an adventure that forever changes her life.