战场

一宗多年前的杀人案浮出水面，牵出一个在逃的杀手，六扇门捕快张一和刘魁联手侦查，发现案中有种种蹊跷，就在案情逐渐大白时，刘魁和张一的身份也浮出水面，刘魁为了张一牺牲了自己，而张一则决定和过去诀别。

清朝末年，一代宗师太极拳高手杨崇武（于海 饰）一家隐居杭州西子湖畔。杨崇武与妻子慧娘（胡慧中 饰）晚年喜得贵子杨学文（吴京 饰）。学文自幼天资聪慧，生性好武，而杨父怕他惹事闯祸，每日督促儿子苦读诗书，不准他外出。学文暗中偷学父亲的太极拳，并自创了一套辫子神功，平日勤加苦练，习得一身好武功。
　　适逢钱塘江边举行祈雨祭祀，学文和表弟偷偷前去参加龙王祭。在祭典上，学文遇见了留洋归来的千金小姐曹央云（钟丽缇 饰），学文一见钟情。为了追求央云，学文参加了革命党。他的辫子神功在禁鸦片运动中大显神威，学文与央云感情日益加深。然而向中国走私鸦片的帝国主义分子却并不善罢甘休，暗中设下阴谋诡计，一场殊死搏斗旋即展开。

片讲述咗刑满释放后嘅蒋小石唔思悔改，假借开“梦幻山庄”作掩护，骗取咗香港女老板2000万蚊嘅投资，喺山庄内藏嘅一个天然地下溶洞开设咗非法个地下娱乐场。以D高薪招聘、暴力到威胁等不法“乸渣”架手段致使啲靓女仔误入陷阱。为去到控……

　　Kyohei Aizawa, an assassin for a covert non-governmental espionage group in Japan called "SEEK", is grieving over the loss of his girlfriend from a tragic plane accident. The leader of "SEEK",Ryo Mikumo, contacts him for an emergency mission; save a fellow agent, recover a new highly explosive liquid called "RDX@", stop a ruthless Yakuza leader, Sojiro Kotsuki, and his gang before they take over Japan. Although the Ninjas were thought to have disappeared... the new breed of assassins live on helping to protect Japan and all that is right; the Ninjas are coming soon.

　　Suffering from amnesia, a young man trying to discover his true identity is kidnapped by an underground crime organization and turned into a ruthless assassin.