Lin Chen, a doctor of scientific research in the 21st century, traveled through the spirit of Xiao Che, the useless seventh prince of Dajing. He was bound to the "Strongest Scientific Research Imperial Master System" and relied on materials science, engineering and other scientific research skills to create hundreds of steel-making weapons, refine penicillin, and invent hydraulic forging machines. After going through palace struggles, fighting enemies at the border, and suppressing rebellions, he counterattacked from a desperate prince to become a regent and emperor, assisting the prince to create a prosperous technological age in Dajing.
