In the 1980s, Vivian Liu, a wealthy heiress, falls in love with Mark Davenport, a poor driver. Despite her father's strong opposition, they marry and have their eldest daughter, Isabella Davenport. With Vivian's support, Mark's career flourishes, but he has an affair with Amy. Vivian and Amy become pregnant simultaneously and each give birth to two daughters. Driven by greed for Vivian's wealth, Amy persuades Mark to switch her daughter with Vivian's. Amy's attempt to kill her own daughter is thwarted by the madwoman Zhenzhu. The daughter grows up and becomes a maid in the Liu household, where she is abused by Nora Davenport, the second daughter, leading to a series of events that prevent her from recognizing Vivian... Eventually, she recognizes Vivian, and Mark, Amy, and Nora are convicted of multiple crimes and sent to prison. The mother and daughter live together with Zhenzhu.