Five-year-old Qing'er has an extraordinary memory and can imitate voices with uncanny accuracy. To escape abuse at the hands of her stepmother, Jiang Xingyao, she has been patiently pretending to be mute. At the Qixi Festival family banquet, she finally speaks in public, flawlessly reproducing Jiang Xingyao's cruel words about scheming to seize the family fortune and exposing her hypocritical facade. Qing'er's father, Meng Yanjiang, and her five older brothers uncover Jiang Xingyao's adultery, fake pregnancy, embezzlement, and other crimes through lawful audits and properly obtained evidence, ensuring that she and her accomplices are punished according to the law. Gradually opening her heart and revealing her remarkable talents, Qing'er grows up surrounded by her family's love, protection, and companionship.