1938年,武汉(hàn )沦陷前夕,传奇狙击手(shǒu )左英杰率小队(duì )拼死阻(zǔ )击,一战成名。不(bú )料事后(hòu )却遭小人构陷(xiàn )含冤入(rù )狱,女特工沈雪(xuě )在狱中(zhōng )找到昔日战场(chǎng )英雄并(bìng )授予一项绝密(mì )刺杀任务。左英杰临危(wēi )受命,不料行动伊始便(biàn )遭遇宿敌日军王牌狙(jū )击手下川国正伏击,身(shēn )陷险境。惊天阴谋逐渐(jiàn )浮出水面,国恨家仇、狭路相逢,巅峰对决一(yī )触即发……