In a famine year, in order to support her seriously ill mother-in-law and young son, village woman Shen Qinghe signed a marriage agreement and went to the city to become an heir to the merchant Zhang family. What was thought to be a six-month deal turned out to be involved in a dispute over the back house. In the midst of numbing "duties", he had an unexpected entanglement with Zhang Chengyue, the taciturn young master of the Zhang family. When the date is approaching, she faces not only the desire to return home, but also quietly growing emotions and unpredictable variables.