Medical PhD Shen Qingyi dies in a laboratory explosion and transmigrates into the body of an ugly legitimate daughter of a marquis's household. She is forced to marry Xiao Moheng, a comatose, disabled war god, in place of the original bride. On their wedding night, she awakens a magical space and cures Xiao Moheng, promising to divorce him once his leg injury is healed. She saves the emperor, battles her stepsister, practices medicine to help the people, and wins their hearts. In the end, Xiao Moheng falls deeply in love with her, and she rises to become a stunning princess consort.