讲述的是公元197年-207年这十年间，曹操与袁绍从盟友到仇敌，从并肩战斗到决战中原的历史。曹操从弱到强，袁绍从强到弱。曹操、袁绍在依次吞并各自的对手后，以黄河为界，南北对峙。然而中原只能有一个主人，曹操、袁绍的决战不可避免，官渡大战，曹操获胜，之后，曹操用七年的时间统一北方，确立了他中原霸主的地位。
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