A big score of "H" on the high seas, but the San Francisco Mafia needed a respectable boat to make the transfer. Ho Li Wing and his fishing vessel Dragonwind were picked. Too bad they didn't realize Wing had a visitor from Hong Kong—-his Eurasian nephew, Mace, who was a Kung Fu Master. When the goons strong-armed Wing, Mace warned them. When they came on strong with Mace, he pulverized them and sent them limping away with a second warning. Then they came up with an idea they thought couldn't miss! They kidnapped Wing's wife and daughter. Too bad they didn't understand Kung Fu....

CHINATOWN EXPLODED WITH VIOLENCE! YOUTH GANGS RAN WILD! The grip of terror was so widespread that the family Tongs asked Mace, the Master of Kung Fu, for help. Mace landed smack in the middle of a protection racket battle and became the new target. He had to teach the kids that street violence was no match for Kung Fu. But the chain of command went much higher than uneducated youth gangs and it took a lot of savvy to find out how far up the devious smokescreen for control went...

Mission Impossible—-The Chinese Communists were busy infiltrating agents into the United States, Canada and Mexico. They had a hidden lab in Canada and were going to unleash a new type of virus over North America and blame it on the Russians. With the two major powers at each other's throat, the Chinese would be able to play dominoes in all Asia. The CIA gave the mission to Mace, and he followed his belief: "To stop the rat—-one kills it!"

Mace is back in New York, teaching at the Lotus Academy and enjoying life when an old enemy, a fellow student from two decades before, comes into the picture and decides to end the old feud the violent way.

The Red Chinese are in Houston to carry out a plot to destroy oil facilities, bringing economic ruin to the US. Mace is called in by the station chief there to help stop them.