During the Tianbao period of the Tang Dynasty, Zhang Zhihe, a member of the Zuo Jinwu Guards who joined the military and was appointed to the Imperial Academy, was demoted to the south of the Yangtze River for offending the prime minister Yang Guozhong. Zhang Zhihe, who moved to the left as a county lieutenant in Qiantang County, investigated numerous conspiracies in the south of the Yangtze River. All conspiracies and assassinations followed one after another. At the same time, intrigues and power struggles in the court were also in full swing...
