After being exploited by a crooked boss in her previous life, accountant Shen Zheng is involved in a car accident and transmigrates to become the only female county magistrate in the Great Zhou Dynasty. From the moment she takes office, she is undermined by the wicked local gentryman Wu Pengzu. Drawing on her exceptional courage and resourcefulness, Shen Zheng fights back. While promoting agricultural and industrial development and public education, she gathers capable allies and repeatedly overcomes crises as she defends against bandits and outwits corrupt officials. Her achievements earn the emperor's admiration, and he invites her to the capital to receive an official appointment, but Shen Zheng politely declines. Determined to advance women's equality and implement new reforms, she ultimately leads the Great Zhou into a golden age and becomes a legendary figure.