Deng Guo, a modern economics professor, traveled to a war-torn ancient dynasty and became a discriminated against poor student. Faced with the strict class system of "low-class people without nobles", he must use modern knowledge to stand out in the imperial examination and become the number one scholar to change his destiny. However, the powerful forces regarded him as a threat and kept setting traps; at the same time, the war on the border was tense, and the court was in urgent need of talents to solve the military supply crisis. Under the double attack of intrigue and war, Deng Guo not only had to hide his modern identity, but also used modern economic theory to solve ancient problems, and he also had to deal with various forces in the power game. Can he stand out in troubled times, break the shackles of class, and become a key figure in changing history?