Chen Mo, a modern top student, transmigrates into the Three Kingdoms era as the son of a Nanyang merchant.
When Liu Bei visits the thatched cottage three times to recruit Zhuge Liang, Chen Mo is saving a dying child with homemade penicillin.
Zhuge Liang's first masterstroke is to burn Xinye, but Chen Mo's cement fortifications render the fire attack useless.
While Wolong builds wooden oxen and flowing horses to transport supplies, Chen Mo's bearing-equipped carts can travel three hundred li a day.
When Zhuge Liang lays out the Eight Trigrams Formation to trap Cao Cao's hundred-thousand-strong army, Chen Mo breaks it with explosives dropped from hot-air balloons.
At last, standing atop the walls of Luoyang, he watches Zhuge Liang bow respectfully with the engineering college's blueprints in his hands:
“Mozi's mechanical arts cannot compare with the dean's way of investigating the principles of things.”