Supercharged action highlights this Hong Kong thriller in which Donnie Yen is tossed into prison for killing an opponent during a competitive match. He is then offered his freedom in exchange for helping police track down an elusive serial killer whose crimes bear the mark of an expert martial artist. Charlie Yeung, Bing Bai, and Baoqiang Wang also star. 101 min. Widescreen; Soundtracks: Cantonese, English, French, Spanish; Subtitles: English, French, Mandarin, Spanish. In Cantonese with English subtitles/Dubbed in English.