A martial arts instructor working at a police academy gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.

Cast:Donnie Yen, Charlie Yeung Choi-Nei, Wang Baoqiang, Michelle Bai, Deep Ng Ho-Hong, Alex Fong Chung-Sun,

Genre:Action, Thriller, Crime, Adventure,

country:China, Hong Kong,

Production:Heart & Soul Production, Beijing Silver Moon Productions, Emperor Film Production,