After taking a nap in the library, modern history teacher Lin Zhiyuan traveled to the second year of Zhenguan, the second year of Emperor Taizong of the Tang Dynasty, and possessed the body of a down-and-out scholar. Relying on his profound historical knowledge, he started from a poor family with no money in Chang'an City, and got acquainted with Wang Xuance, Qin Shubao's old subordinates and others. After becoming a Jinshi, he came into Fang Xuanling's field of vision with a shocking policy theory, and was finally summoned by Taizong.
