Billy Blanks
Somewhere in the future the environmental overkill had come. Many people had died. The rich were able to build the underworld, the poor had to stay on the surface building gangs to survive. Jason Storm, an underworld guard gets knowledge of a conspiracy to kill all people on the surface. He needs to flee to the surface, and wins Sumai, a respected martial arts master, as his ally to stop the dirty plot.
The life of the greatest karate master of a generation.
Ken has just moved from Kansas with his mother. He talks to a girl named Julie, not knowing that her boyfriend Tom is very possessive of her. Tom is learning karate from Lee, a sensei whose brother was killed by a rookie cop named Billy. Billy has since then become the janitor of the school that Ken, Julie and Tom go to. When Ken gets beaten up by Tom for talking to Julie again, Billy helps Ken by teaching him how to defend himself, which eventually leads to a battle between student vs. student, and sensei vs. sensei.
Lyon Gaultier is a deserter in the Foreign Legion arriving in the USA entirely hard up. He finds his brother between life and death and his sister-in-law without the money needed to heal her husband and to maintain her child. To earn the money needed, Gaultier decides to take part in some very dangerous clandestine fights.