Song Li, a doctor of literature from Blue Star, was jealous of his colleagues because of his academic achievements. He was designed to accidentally fall off a cliff and pass away. His soul traveled back to the early Northern Song Dynasty and became the eldest son of Zhao Kuangyin, Prince Teng Zhao Dexiu. Knowing the tragic fate of his original body and the descendants of the Zhao family, after activating the sign-in system, he made up his mind to change his fate, seize the throne that should belong to him, and change the outcome of the Song Dynasty that valued culture over military affairs and the sixteen states of Yanyun were destroyed for hundreds of years.
The beginning was a dead end: Yuan's body was weak and he was destined to die soon. The emperor's uncle Zhao Kuangyi had already made a secret plan, and there were many party members in the court. Most of the founding veterans had acquiesced in Zhao Kuangyi's status as the crown prince. If he was not careful, Song Li would follow Yuan's footsteps and end up with his body and reputation destroyed. If he could not seize the throne before Zhao Kuangyin died, not only would his life be in danger, but those who followed him would also be liquidated by Zhao Kuangyi. The entire Song Dynasty would embark on the old path of emphasizing civility over military affairs, and people would be devastated in a hundred years.
Relying on the sign-in system, Song Li continuously signed in to obtain peerless soldiers, famous generals and capable ministers. He formed a network of intelligence organizations directly under his own control, gradually gathered power, pacified the southern separatist regime, destroyed Hou Shu, Southern Han, and Wu Yue, conquered the Southern Tang Dynasty, gained the extremely talented Emperor Zhou E, and launched the clothing technology and institutional education of later generations. But just as Song Li's power was expanding, Zhao Kuangyi spread rumors, which aroused Zhao Kuangyin's suspicion of Song Li. Some veterans in the court were wavering, giving Zhao Kuangyi room to maneuver. Facing the situation of internal suspicion and powerful enemies externally, Song Li relied on modern thinking and systematic assistance to work step by step, and finally shattered Zhao Kuangyi's conspiracy. He conquered the Khitan in the north and regained the sixteen states of Yanyun, unified the world and created a new Song Dynasty.