Chen Yan, a graduate of the Department of Modern History, accidentally traveled through time and became an inconspicuous clerk next to Liu Chan, the empress of the Shu Han Dynasty. At that time, the Shu Han Dynasty was in the midst of the Northern Expedition. There were many internal factions, people's livelihood was in decline, and Wei and Wu were surrounding them outside. Their survival was hanging by a thread. Everyone in the world called Liu Chan a fool, but Chen Yan saw his desire to survive under his forbearance.
Without a golden finger, he only relied on the historical context and pragmatic strategies in his mind to first help Liu Chan stabilize the monarchy, reconcile the conflicts between Zhuge Liang and the Yizhou nobles, reform the government, and encourage farmers to strengthen their foundation; then he made suggestions to optimize the Northern Expedition strategy, avoid the real and attack the weak, and gradually encroach on the Yongliang land; he was more discerning, promoted the buried generals, and repaired the shortcomings of the Shu Han's combat power.
He assisted Liu Chan in getting rid of his reputation as a mediocre leader, rallying the hearts of the Shu Han people, uniting Wu to fight against Wei, dividing and disintegrating, and surviving step by step in troubled times. From the deep palace of Chengdu to the ancient battlefield of Qishan, from a corner of the southwest to the Central Plains of Zhulu, Chen Yan used his mortal wisdom to help the Shu Han reverse its decline and overcame obstacles along the way. Finally, in the troubled times, he assisted Liu Chan in rewriting his fate of "luckily thinking about Shu" and achieved the eternal feat of supporting Chan to pacify the Han Dynasty and unify the world.