After Zhuge Liang died of illness in Wuzhangyuan, Liu Chan awakened his past life memories and discovered that he was actually a time traveler. With the wisdom of modern people, he began to secretly cultivate his own power and use modern knowledge to improve Shu Han's agricultural and military technology. He cleverly dealt with the powerful officials in the DPRK and gradually regained power, showing a completely different political skill from the past. Promote new agricultural tools, improve papermaking technology, enhance the national power of Shu Han, and secretly train new armies. He personally led the army in the Northern Expedition, used modern tactical thinking, and won many battles. Unify the three kingdoms, create a prosperous age, and become a wise king.