Young Hong Kong cop Will Ren (Mason Lee) drew the distasteful duty of tracking a dismembering serial killer, in fitful partnership with bitter veteran Cham Lau (Ka-Tung Lam). As Lau turns to brutally squeezing info from recent parolee Wong To (Yase Liu)-a petty thief with whom he has a personal vendetta-all three might be open to an even greater peril. Soi Cheang's stylish stunner co-stars Younus Howlader, Hiroyuki Ikeuchi. 118 min. Widescreen; Soundtracks: Cantonese, English; Subtitles: English. In Cantonese with English subtitles/Dubbed in English.