Zhu Xiongying, a modern man, traveled to the Ming Dynasty and became Lan Yu's adopted son. He was about to be beheaded and executed. At the critical moment, he awakened the identity editor system and disguised himself as Zhu Yuanzhang's late eldest grandson Zhu Xiongying. He was brought back to Zhu Yuanzhang and started his own journey to the court. In the face of difficulties caused by the Li family and framed by civil servants, he relied on his modern knowledge to rectify the government situation, implement a new tax system, and crack down on the corrupt civil servant group. He was privately called the "tyrant grandson" by the courtiers. Zhu Yuanzhang gradually recognized his ability and character, and gradually became a key figure in influencing the fate of the dynasty.