Yanguang Shen Baiyan accidentally destroys the marriage line in the fairy world, which leads to chaos in the human marriage. Everyone is proud of being single and no longer gets married. As a result, Shangguanya, a matchmaker who makes a living, is on the verge of bankruptcy. By mistake, Bai Yan, the god of Yanguang, became the 'fiance' of Xiao Hongniang Shangguanya. The two went from a happy friend who was incompatible with each other to a married couple who knew each other. They were both business partners and sweet lovers, and finally started a fairy tale.