Song Yumei's husband died early and she has no children under her knees, always treating her nephew Zihang as her own child with affection. Three years ago, her older brother and sister-in-law, for Zihang's convenience in going to school, asked to borrow that vacant school district house from her. Now Zihang has been admitted to university, and Song Yumei according to the agreement goes over to collect the house, but pushing open the familiar door of home, everything before her eyes leaves her stunned in place. On one side is an unbreakable family affection, on the other side is her place of settlement, Song Yumei begins to clear up the accounts of these years stroke by stroke, and also slowly reclaims her own life.