It seems that undercover narcotics officers are being taken out by a ruthless karate killer, so martial arts champion Matt Logan (Chuck Norris) is recruited by the cops to train them in hand-to-hand combat. When his adopted son is killed, Logan takes matters into his own (deadly) hands and decides to catch the murderer himself. Jennifer O'Neill, Ron O'Neal, Clu Gulager, Eric Laneuville co-star in this action-packed police story. 90 min. Widescreen (Enhanced); Soundtrack: English DTS Lossless stereo; Subtitles: English; audio commentary; "making of" featurette; radio spots; theatrical trailer.