An engineering boy travels through the military legend of the Qin Dynasty. The protagonist Lin Yuan is a modern engineering boy. After traveling to the Qin Dynasty, he uses the knowledge he has learned to play a role in the military and other fields. He has a tough and wise character. From Lin Yuan's adaptation after time traveling and initial use of knowledge to solve problems, to participating in military operations, he gradually promotes military technological innovation and strategic and tactical changes. In the process, he will encounter various challenges and opportunities, allowing him to gradually emerge in the Qin Dynasty with his modern engineering knowledge and initiate changes in the military field.
