The archetypical renegade Texas Ranger wages war against a drug kingpin with automatic weapons, his wits and martial arts after a gun battle leaves his partner dead. All of this inevitably culminates a martial arts showdown between the drug lord and the ranger, and involving the woman they both love.

Sean Kane is forced to resign from the San Francisco Police Department’s Narcotics Division when he goes berserk after his partner is murdered. He decides to fight alone and follows a trail of drug traffickers into unexpected high places.