Once he traveled through time, he ended up in the beginning of Heavenly Collapse, without the treatment of the Chosen One, and without the blessing of the system. He came here with the infamy of borrowing his mother, woke up when he heard the screams of a subjugated country, shouldered the heavy responsibility of reviving the family, and came to the court with the mission of restoring all nations, starting Li Sheng's journey to become a grandson. Unfortunately, the hemp rope was only cut at the smallest points, and bad luck only seeks out the poor. After ten years of being a grandson, he was forced to start the path of a son-in-law. His grandfather told him that he was born in troubled times, endured humiliation and heavy burdens, everything was to survive, and everything was to restore the prosperous Tang Dynasty. In the cracks, Li Sheng, as a time traveler, also has his own mission and way of living. He does not want the Song Dynasty that was poor and weak in history and could only defend but not attack to appear. Faced with this famous era of cannibalism in history, and facing dynasties with frequent changes in country names, Li Sheng adhered to, no, to be precise, he copied the Monk Emperor's strategy of accumulating grain, building high walls, and slowing down the throne. He first made himself a wealthy family, and then used Qiongzhou as his base. Developed Ryukyu and used it as the foundation to start the vigorous Northern Expedition. He first captured the Western Zhaoman, Luodian, and Wuman, and then divided the Shu Kingdom equally with the Later Tang Dynasty, solved Dali, divided the Chu Kingdom with the Wu Kingdom, took advantage of the chaos in the north of the Later Tang Dynasty and the Later Jin Dynasty, and occupied the entire Shu Kingdom. After uniting with the three armies, they attacked the Khitan and replaced the Zhao brothers to win the Later Zhou Dynasty. They united with the Jurchens to carve up the Khitan. The three armies destroyed the Khitan, Jurchens and Uighurs, and restored the glory of Li Tang.