战乱年代,群雄并起。割据一方的沛国安于现状,一任国主沛良(郑恺 饰)慨歌太平。要冲之地境州早年为强邻炎国借去,而今据而不还。沛国都督子虞(邓超 饰)前往讨伐,却中了对方大将杨苍(胡军 饰)的拖刀,重伤不愈。心有不甘的子虞暗中派出替身境州(邓超 饰)假扮自己,总理军政,内则使令夫人小艾(孙俪 饰)襄助。真假子虞切磋战法,寻求破解杨苍刀法的绝技。而另一方面,沛良恼怒子虞私自约战杨苍,不惜将妹妹青萍(关晓彤 饰)嫁于杨苍之子为妾媾和。淫雨霏霏,连日不开。境州上空,杀戮与机谋纠缠撕裂…… 本片根据朱苏进的剧本《三国•荆州》改编。Set during China's Three Kingdom's era (AD 220-280). The story of a great king and his people, who will be expelled from their homeland and will aspire to claim it. The king, violent and ambitious, of mysterious methods and motives; his general, a visionary who yearns to win the final battle but needs to prepare his plans in secret; the women of the palace, who struggle to find redemption in a world where they have no place; and a commoner called "Lord of all the world", will be the characters around who turn the inexorable forces of this story.