The protagonist's soul travels through the world of the late Tang Dynasty in 867, and spends his life to establish the Jin Dynasty in the divided era of the late Tang Dynasty. He accidentally unlocks the game mechanism but mistakenly believes that he has become a madman. After his death, he finds that he has been reincarnated into his only grandson, thus continuing the hegemony of the Jin Dynasty. Later, he met some historical figures. His descendants gradually expanded the scope of their rule. They fought holy wars with the Pope, fought for hegemony with the Mongols, and made the Carolingians and Abbasids surrender, and finally unified the world.
