Story summary: Accidental time travel: Game company programmer Zhang Chaoyang accidentally time travels to the Three Kingdoms era and finds himself in the center of the Changbanpo battlefield. Using modern knowledge, he pretends to be "Mr. Tianji" and is rescued by Zhao Yun.
- Entering the Shu camp for the first time: Zhang Chaoyang relied on historical knowledge and modern thinking to gain a foothold in Liu Bei's camp. He used "prophecies" and "inventions" to win everyone's trust, and at the same time began to interact with Zhuge Liang.
- Identity crisis: Zhang Chaoyang's modern habits and remarks aroused Zhuge Liang's suspicion. The two started a wonderful debate about "the secret of heaven cannot be leaked", and Zhang Chaoyang responded wittily.
- Technological transformation: Zhang Chaoyang improved the equipment of the Shu army, invented horseshoes, bilateral stirrups, etc. To improve the cavalry's combat effectiveness, established prestige in the army, and established friendship with Zhao Yun.
- Emotional entanglement: Zhang Chaoyang had a secret love for the medical girl Xiao Qiao, but he did not know that she was the daughter of Jiangdong Qiao Guolao, which paved the way for his subsequent intersection with Soochow.
- The crisis emerged: Cao Cao's counselor Guo Jia noticed the sudden appearance of "Mr. Tianji" in Shu Han and secretly investigated, laying the groundwork for the subsequent confrontation.
