After completing her three-year mourning period, Shen Mingyuan returns to the Marquis's estate, only to discover that her wet nurse, Madam Zhao, has taken over the residence and deceived her daughter, Liu Yue'e, into impersonating the legitimate daughter of the household. Together, they subject Shen Mingyuan to endless humiliation and mistreatment. Shen Mingyuan takes the matter to court. At first, she chooses to yield out of consideration for their past relationship. However, Madam Zhao's greed knows no bounds. She steals the estate's valuables, destroys her late father's belongings, and drives Shen Mingyuan out of the Marquis's residence once again. With the help of Lin Zheng, one of her father's former subordinates, Shen Mingyuan finds Uncle Fu and obtains the Marquis's final letter, exposing Madam Zhao's conspiracy to seize the family inheritance. In the end, the evildoers are brought to justice.