Luke Powers travels to L.A. to find that his brother has been murdered in a back alley martial arts tournament. Luke enters the tournament circuit to try to flush out his brother's killer. With the help of a trainer and former fighter, Lucke enters what he thinks will be a victorious battle.
A lawyer's family is murdered by drug smugglers, and he is beaten and left for dead, but survives although in a coma. When he awakes he only has a partial memory of what happened. In order to find out the real story, he trains with a karate master and becomes a mysterious avenger known as "The Karate Man".
When Danny unknowingly repossesses the car of a powerful arms merchant, it sets off a chain of violent retaliation. After his friends are killed and his daughter is kidnapped, Danny takes matters into his own hands. It does not matter that the CIA and the FBI are also involved the Dragon's fire is in his fists!
A young policewoman relentlessly tries to bring down a ruthless drug kingpin whom plots his own agenda for his drug distribution empire.