Hu Yong Er encountered a saintess by chance and was taught magic skills from the heavenly sealed book. She uses her skills to help the poor but is arrested by the government. Hu Yong Er has nowhere to escape and can only run back to the saintess, who turns out to be the leader of the Tushan Sect and her birth mother. Hu Yong Er also discovers that the one who is pursuing her is her own elder brother, Zuo Mo, who betrayed Tushan Sect for his own selfish gains. Zuo Mo wants to capture Hu Yong Er to learn about the secret magic of the sealed book and revive the fox tribe. Jin Cheng Yu assisted Yong Er in finding the scattered books of the heavens, learned the magical arts from the book, and defeated the evil forces to save the world. (Source: DramaWiki, Baidu) ~~ Adapted from the novel "The Three Sui Quash the Demons' Revolt" (三遂平妖传) written by Luo Guan Zhong (罗贯中) and expanded by Feng Meng Long (冯梦龙).