Modern fortune teller Shen Zhinan disguises as a male priest of Tianyuan Kingdom, forced by the emperor to persuade second prince Lu Guizhou, in seclusion, to return to secular life. Lu Guizhou is annoyed, unaware she is the priest he admired. The eldest prince attempts to usurp the throne, and her identity is exposed. They fall in love. She helps him suppress the rebellion, resumes her female identity, marries him, and rules the kingdom together.