The mother-in-law was a dancer who paid tribute to the Western Regions and was deeply loved by the emperor. However, she was sentenced to death when Li Xuanye was seven years old and was charged with "collaboration with the enemy and treason." Li Xuanye was sent out of the palace to study in a Jianghu sect. When he returned at the age of fifteen, he appeared to be a sickly prince and secretly established a "film department", vowing to find out the truth behind his mother's death.
