Adapted from the novel of the same name by Xiao Jiaren, it tells the story of Ming Wei who was fortunate enough to act with the movie emperor Mu Tingzhou, playing the role of a princess who was carefully taught by him. Unexpectedly, Mu Tingzhou fell into a coma after a car accident, and when he woke up he called himself the tutor in the play. From then on, he treated her with great respect and meddled in her affairs.