A martial arts instructor from the police force 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. Duration: 100 min Directed By: Teddy Chan Written By: David Chan (script consultant), Teddy Chan (original story) Casting: Donnie Yen, Baoqiang Wang, Charlie Yeung Date of Release: 2015-04-24