The modern genius doctor Su Ruojin traveled through time and became the adopted daughter of Zhizhou Prefecture. She was expelled by the Lin family and opened Renai Tang with her skills in medicine and poisoning. She repeatedly exposed the evil deeds of the quack doctor Cai Fanzhou and the fake daughter Lin Wanqing. By chance, she rescued the young prince Xiaobao who suffered from autism and was protected by the regent Xiao Yanchu, whose pseudonym was Jiang Qi'an. On the way, she found her relatives in the Su family, fought against villains such as the Queen Mother Wei, practiced medicine to save the world, donated precious medicinal materials for disaster relief, resolved many difficulties caused by the Zhao family, Cai family, etc., Gradually cured Xiaobao, secretly fell in love with Xiao Yan, practiced medicine along the way, and gained the companionship of relatives and friends.
