They had been together through childhood and the flowering season, but on a snowy Christmas Eve, they lost each other at opposite ends of the earth. Do I love him/her? For five years, they were unable to give a true answer to their hearts. Only the Christmas stars understood that at this time of year, a pair of lovers miss each other hard under the stars... Finally, fate reunited them, but they could no longer fall in love. Just because Princess Qingmei has a knight by her side, and Prince Zhuma has a mermaid princess by his side...