The story follows Su Wanyu, a girl from a fishing village who wants to live a comfortable life. She unexpectedly awakens her medical talent and is involved in the power struggle of the imperial court. With the help of Murong Lang and others, she uncovered the mystery of her life experience as an orphan of the Su family, found her long-lost mother, and exposed the conspiracy of the Duke of Zhen in colluding with Qin Wei in an attempt to control the Imperial Hospital. From a fisherman girl who wanted to be a good person, she grew up to be a female medical envoy at the imperial hospital, inheriting her parents' legacy and guarding the benevolence of medicine.
