In 2025, 35-year-old deliveryman Zhu Yi was hit by a dump truck on the way to deliver food because he was in a hurry. He traveled back to the first year of Chongzhen and became Zhu Yipai (15 years old), King of Lu in the late Ming Dynasty. Recruit refugees, train new troops, and develop technology. Establish a navy, send troops to Goryeo, launch a peace campaign, ascend the throne as emperor, quell civil strife, exterminate Jiannu, annihilate Japan, enfeoff vassal states overseas, and make the Ming Dynasty the world's top power again.