A brilliant doctor saved the emperor's life by accident. As she recovered him, her close friend took her place as a concubine to the royal court. This impostor aimed to eliminate the doctor who had unknowingly aided the emperor's recovery. The real doctor capitalized on her medical expertise and rose through the ranks to become the deputy director of the Imperial Hospital. Meanwhile, the deceitful friend fabricated evidence of the doctor's pregnancy but ultimately faced exposure. Justice was served as the imposter received punishment, allowing the genuine heroine to reunite with the emperor and secure their love with a royal marriage.