Ordinary housewife Li Xueman wins a ten-million lottery. To test the character of her son-in-law Gao Yansong's family, her mother has her lie that Gao Yansong is the one who won. As expected, upon learning this, the Gao family immediately exposes their greed, forcing Li Xueman to sign a property agreement, blindly borrow money to buy a house, and get scammed into a trap. In the end, Gao Yansong takes his own worthless ticket to redeem the prize and fails, turning around to bite back that Li Xueman switched them and taking it to court. After the truth comes to light, the Gao family is heavily in debt. After divorcing, Li Xueman uses the prize money to found a special education institution to help special children, completing her self-redemption.