During the Wencheng period, the Huben Secret Guard occupied Chang'an City for many years and has been deeply rooted.Hu Yi, the chief clerk of Huainan County, received a secret edict from the emperor Ji Wuyang and was urgently transferred to the capital Chang'an to eradicate the treacherous slander.General Hu Ben said that Fengshan was unwilling to lose power, and gathered the forces of Hu Ben's secret guards to attempt to split the country and rule and become kings.He used the Tibetan Alley in Chang'an City as a cover and distributed the secret guards there, always looking for an opportunity to counterattack.With the help of Ji Wuyang, Hu Yi joined forces with loyal general Gu Yu, swordsman Ye Zheng, painter Bai Guan, young scholar Xie Ziling and others to use wisdom to destroy the Tibetan Bing Lane, destroy Yan Fengshan's conspiracy to split the country, and restore the wind and atmosphere of Chang'an City.