The day Jiang Lan saved Song Yan, her father brought his mistress and illegitimate daughter into the family, forcing Jiang Lan's mother to divorce and evicting her and Jiang Lan. Her mother was devastated and admitted to the hospital. To cover medical bills, Jiang Lan begged everyone for help, then pleaded with her father and his mistress. As Jiang Lan was kneeling in the rain being humiliated, Song Yan appeared with a contract marriage agreement, changing Jiang Lan's fate.