When Master Tak, an old martial arts master, disappears, his best student, Jet, steps in to find him. However, when he learns that Tak's life is in danger, he decides to protect him at all costs.

A college freshman who trains in martial arts is beaten up at work by a racist gang. His co-worker, a Chinese cook, beats the gang up and trains the young man in Kung Fu. When a tournament is to be held, the teacher tells the student that he will not teach him for money. However, when the gang beats up the student's best friend, the student now must make the choice of entering the tournament or keeping the promise to his teacher.

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.