<p>战国时代，秦王嬴政（李雪健饰）以统一天下为大业。当时燕国为嬴政的心头之患，为帮助他早日完成统一霸业，赵姬（巩俐饰）献策到燕国假意策动刺杀嬴政的计划，如此一来，秦便有出兵攻燕的名目，争取燕国不战而降的可能。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;赵姬与燕太子丹（孙周饰）同心谋划刺杀嬴政的行动。执行任务的人选是名剑客荆轲（张丰毅饰），大隐于市的他为此重出江湖。与荆轲接触后，赵姬十分倾慕他的为人。赵姬拒绝再去说服荆轲。太子丹恼怒，将赵姬关押起来。于是，荆轲找到太子丹，提出放了赵姬，他就答应去刺秦王。与此同时，嬴政发现了关于自己身世的秘密，他恼怒不堪，甚至挥兵攻打赵国，暴行难述。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;大殿之上，荆轲却失手……</p>