Shen Qing, a student majoring in international trade, became a married princess. After arriving on the grassland, she found that the life of the nomadic people was too hard. She started cross-border foreign trade—wool for silk, horses for porcelain. Three years later, Khan, the richest man in the grassland, knelt down to propose marriage. The Ming Emperor also sent someone: "Princess, there is a minister of household affairs missing in the court."