Story summary
- **Unexpected Time Travel**: Song Xu, a top student in the Department of Modern History, encountered a mysterious incident while visiting Wuhou Temple and traveled to the Xuzhou battlefield in 200 AD, at a critical moment when Liu Bei was defeated by Cao Cao.
- **Identity Verification**: Relying on his understanding of the history of the Three Kingdoms, Song Xu accurately predicted the upcoming war situation, which attracted Liu Bei's attention. He was accepted as a military advisor and gained initial trust.
- **The crisis is beginning to appear**: Cao Cao's army is pressing down, Liu Bei's army is distracted, and Song Xu faces the first major test - how to save the defeat despite the disparity in military strength.
- **Initial strategy decision**: Song Xu proposed the strategic concept of "abandoning the city to break out of the siege and allying with Sun Quan in the south", which caused disagreements with Guan Yu and Zhang Fei. Liu Bei finally decided to adopt the advice of the military advisor.
- **First Battle Deployment**: Song Xu used modern military knowledge to design ambush tactics, preparing to give Cao Jun's vanguard a surprise blow on the way back.
This writing focuses on describing the process of Song Xu traveling to the Three Kingdoms era, gaining Liu Bei's trust with historical knowledge, and proposing a strategic retreat plan at a military meeting, showing how the protagonist began to change the trajectory of history.
