After years of being unable to conceive after marriage and facing cold treatment from her husband's family, she is also misdiagnosed with terminal stomach cancer. She and the daughter she adopted are driven out of the house. With nowhere left to turn, she unexpectedly wins tens of millions in the lottery and uses her newfound wealth to fight back against her in-laws and expose their misdeeds. With the help of her childhood sweetheart, a doctor, she gets her diagnosis clarified, and her daughter's speech disorder is also cured. Eventually, she completes her education, becomes a writer, and devotes herself to charity. She builds a new family with those who helped her, and mother and daughter finally enjoy a happy life.