A laboratory accident threw Li Zhe, a doctor of modern science and technology, into the mortal world of the prosperous Kaiyuan era, and he possessed the body of Li Mingyuan, a poor scholar. The Chang'an in front of us is magnificent, but it hides the crisis of frequent floods and land annexation. With a scientific and technological vision and systematic thinking that transcended a thousand years, Li Mingyuan started as a Chang'an county captain in the name of "studying things to gain knowledge": improving water conservancy, solving unsolved cases, and providing three strategies to strengthen the country. His ability to "create things by nature" shocked the government and the public.
He founded "Tiangongyuan" to bring together talented craftsmen. The steel filling method forged the Tang Dynasty sword's edge, improved gunpowder roared on the battlefield, and the prototype of the steam engine was breathing in the workshop. Shence's new army swept across northern Xinjiang with firearms and discipline. The Tang treasure ship conquered the huge waves with its compass and hard sails, extended the Silk Road to the Persian Gulf, and directed its troops towards the walls of Byzantium.
However, in the prosperous age, there are always dangers. The insidiousness of the powerful Prime Minister Li Linfu, An Lushan's inflated ambition, and the prince's fear of the Prime Minister's power were intertwined into a deadly web.
