Su Wanyu is a young woman from a fishing village who longs for a peaceful life. When she unexpectedly discovers a talent for medicine, she is drawn into a struggle for power at court. With the help of Murong Lang and others, she uncovers the truth about her past as the last surviving member of the Su family, finds her long-lost mother, and exposes the Duke of Zhenguo's plot with Qin Wei to seize control of the Imperial Medical Academy. From a fisherwoman who simply wanted to take life easy, she grows into a female physician of the Imperial Medical Academy, carrying on her parents' legacy and safeguarding the compassionate principles of medicine.