Vietnam vet Norris is hired to instruct a narcotics squad in the action-packed art of karate. The cops have been rendered ineffective in their fight against a drug boss, suffering a number of losses. When Norris' adopted son is slain because he could identify the boss, Norris goes into
action. After Bruce Lee's death, a gaping hole plagued the martial arts genre, but former karate champ Norris helped close that gap. This is the follow-up to GOOD GUYS WEAR BLACK.