What kind of world is this? Xihe, a girl who was originally loved by her father and mother, was bought for rice overnight. What, so what if the other party is Prince Xuan? Resolutely resist arranged marriages. But Xiao Yunyi happened to be the person that Xi'er fell in love with at first sight. Yunyi's lukewarm attitude and Yin Che's persistence made Xi'er really intolerable. Why did the dignified Prince Bai fall in love with her at first sight, and why did Yunyi, who had a wife who was a princess on the first floor, keep aloof from her. What is the unknown life experience of Xi'er who grew up in the Qing Kingdom, and where will people go if they are caught in this mystery? Why did Bai, Qingxuan and the Three Kingdoms break up? Can Xi'er really find her own happiness?