The play is adapted from Yi Daixue's novel "I Have Three Dragon Aotian Babies". In order to save her mother, the strange doctor Nan Yan (played by Jing Tian) was forced to embark on the immortal path. By mistake, she and the emperor Ji Yang (played by Zhang Linghe) who concealed his identity planted the "Lingxi Seal" to conclude a marriage. These two people, one is aloof and cold, Taoist and immortal, and the other likes to seek medical advice and medicine, full of "earth". The two people who originally disliked each other were also involved in a conspiracy in the immortal world while investigating Nan Yan's mother's heart disease.