From the pre-Qin Dynasty to the unification of the six kingdoms by Qin Shihuang, from the Chu-Han struggle for hegemony to Wang Mang's replacement of the Han Dynasty, from Liu Xiu's resurgence of the Han Dynasty to Cao Pi's usurpation of the Han Dynasty, time is used as the axis to vividly display the vertical and horizontal manipulations of emperors and generals over more than 600 years.
