Accidentally crashing and time-traveling to an alien primitive continent, surgeon Chen Luo is immediately met with a life-or-death crisis of being besieged by strange beasts and a tribe on the verge of extinction! In a desperate situation, the Civilization Rebirth System is activated. Grasping modern knowledge to turn the tables, he saves a dying chieftain with exquisite medical skills, smelts iron and builds cities, refines salt, and improves farming tools, using scientific truth to break through barbaric ignorance. Facing the full-scale onslaught of enemies from the wasteland, Chen Luo leads an iron army in a dimensional reduction strike: "Who says primitives can only survive? Watch me build a new industrial era!"