Chen Zhen ( Donnie Yen ornaments ) was reported to kill the teacher is hatred , armed with the Hongkou Dojo , kill all Japanese martial arts master , sensation in Shanghai , then disappeared , disappeared ...... seven years later , Chen Zhen pseudonym Monkey returned from France to Shanghai , as a young businessman to sneak into local intelligence concentrated Kaka nightclub , " secretly a thorough investigation of the boss Tu Ye ( Anthony Wong decorated ) the relationship with the Japanese , while the mysterious origin of the socialite Ki Ki (Shu Qi) , also the opportunity to close the Monkey , anti- exploration of their true identity .
The original Chen Zhennai policeman Huanghao Long ( Huang Bo ornaments ) secret delegate , project deal , led by power stone fierce ( wood banner dragon ornaments ) the Japanese assassination group , a target for assassination In addition to including the defenseless of the scholars , but also package Huanghao Long and talked to Chen true in the European theater through fire and water the brothers . Chen Zhen rekindle the hearts of anger , decided to make the ultimate World War I , he armed with the intelligence agency headquarters in Japan , as when he broke into the Hongkou Dojo , even a near escape , but also for countries in need to shed the last drop of blood