In the ninth year of Wude, the heavenly light! The Taibaijin star hangs in the south, at noon! With the change of Xuanwumen, the Tang Dynasty entered the era of Li Erzhang! At the foot of Zhongnan Mountain, Lijiazhuang, there is also a young master Li Xuan!I just want to live a carefree life, a leisurely and small mountain village...