Protagonist: Lin Feng, who was originally a top engineer in the national military industry, accidentally traveled to the early years of Zhenguan and became a descendant of a fallen noble. Scientific knowledge, engineering theories and some military industry memories that transcend the times. However, limited by the productivity of the times, science and technology prospered the Tang Dynasty and dominated the world. The protagonist uses modern knowledge, starting from improving farm tools and refining new steel, to gradually establish a "Lin Industrial Empire" spanning mining, metallurgy, chemical industry, and military industry. It deeply binds the national destiny of the Tang Dynasty and helps Li Shimin create a "Zhenguan Era" that far exceeds history. In the process, he formed bonds with six women of different identities and extraordinary talents, and together they pushed the wheel of history.
· Cool points: technological crushing, rising status, comparison of national power, and the heroine's restraint
