In the twenty-second year of the First Emperor’s reign (225 BCE), as Qin advances toward the conquest of Wei, the realm is not yet unified. Corvée labor is heavy and the people suffer, while reformers and conservatives clash within the court. The military urgently needs better equipment to speed the wars of unification. Lin Yue transmigrates to the Qin Dynasty with a modern manufacturing System. He must survive the harsh laws and wartime turmoil of the era, using the System’s technology to change his fate and gradually reshape Qin’s civilian life, military, and political landscape.