Luo Chen, a modern man with two doctoral degrees, transmigrates to 1941 and becomes an apprentice at an ordnance factory. Faced with Japanese planes and artillery, he activates a research System. It can’t give him finished products? Then he’ll teach everyone how to build them! Scopes, new-model radios, specialty steel... Everyone thinks he’s a genius, but then he makes a startling decision: he donates the System to his country. Years later, an elderly academic watches a domestically made fighter jet with tears in his eyes. “Professor Luo, can you see this?”
