At the end of the Southern Song Dynasty, Xiaobai flooded Jinshan Mountain to save Xu Xian, and was eventually trapped under Leifeng Pagoda by Fahai. Xiaoqing was accidentally thrown into the strange illusion of Shura City by Fahai. Xiaoqing was rescued by a mysterious masked boy in several crises. Xiaoqing went out to rescue Xiaobai and experienced hardships and growth, and together with the masked boy, she looked for a way to leave.