Rival clans operating textile mills descend into a violent feud that finds an impulsive, young martial arts master severely tested in combat with exponents of deadly boxing maneuvers and a vicious takedown move known as the "Iron Finger Lock." Will he have to put in overtime to kick some serious butt? Crackling kung fu adventure stars Sheng Fu, Kuan-Chun Chi, Ming Li Chen. 107 min. Widescreen (Enhanced); Soundtracks: Mandarin Dolby Digital mono, English Dolby Digital mono; Subtitles: English, Spanish. In Mandarin with English subtitles/Dubbed in English.