Shen Qingci, a talented girl from the Department of Modern History, transforms into a cannon fodder concubine and is forced to marry the disabled fiancé Xie Linyuan of the original hero. She relied on her medical skills and Machiavellian wisdom to save the second male lead who was "destined to die early". From fighting in the house to the court, the husband and wife teamed up to slap the scumbag and the bitch in the face. In the end, Xie Linyuan counterattacked and became a powerful official, and Shen Qingci became the mistress who controlled the overall situation, creating a prosperous age together.