In the winter of the first year of the Han Dynasty, the remaining sunlight of Xianyang reflected the ruins. Liu Bang was granted the title of King of Han. Although he had initially established his foundation, he was surrounded by dangers: Zhang Han was watching in the north, Xiang Yu was standing in the east, and his soldiers wanted to return. From the forbearance of burning down the plank road to the ambition to gain momentum in Nanzheng, a generation of commoner emperors, with the wisdom of Zhang Liang, Xiao He, and Han Xin, laid the prelude to the 400-year foundation of the Han family in the war of troubled times.