Lin Wanqiu, a modern emergency doctor, had an accident when he was on night shift. When he opened his eyes again, he was in Nanyang County, the fourth year of Emperor Guanghe of the Eastern Han Dynasty. At this time, she was lying on the carved bed, with her fingertips pinched into the palm of her hand - she was originally the concubine of the Du family of the Nanyang wealthy family. Due to pressure from her aunt, she was forced to marry Liu Mu, the chronically ill Marquis of Anzhong, for her eldest sister as her stepmother. On the eve of the ceremony, a murderous attack on her quietly began.
Without system plug-ins and no knowledge of tactics, Lin Wanqiu could only rely on modern medical knowledge to survive in the troubled times of the Eastern Han Dynasty: from using alcohol cotton to reduce the fever of children with typhoid fever, to drinking "witchcraft blessings" to induce labor outside the delivery room; from discovering the poison of poisonous wine at clan banquets, to building temporary medical sheds when the Yellow Turban Army besieged the city. She has seen through the hypocrisy and strife of the noble families, and has seen the suffering and displacement of the common people. In getting along with her husband Liu Mu, who has a very different personality, she gradually understands the weight of "the benevolence of a doctor" and "the righteousness of the world." When the disasters of the Party and the Yellow Turban Rebellion broke out one after another, this woman from a thousand years later was quietly rewriting the fate of doctors and women with her little power...