She is the abandoned princess of Li Kingdom;
He is the cold and noble prince of Wuyuan Kingdom.
In an accident, she lost her memory and became the princess of Wuyuan Kingdom and his cousin. As time went by, he and she had a mutual affection for each other. However, faced with a certain past and an unchangeable marriage, she ran away in despair, leaving him to keep his love alone. Six years later, she returned as the Queen of Li Kingdom, but he became a beggar on the street. Faced with the sweet memories of the past, how should the two of them renew their relationship...