A CIA agent is sent to get Professor Braun before the KGB can seize him as the Prof's knowledge, together with a recently stolen diamond, could be used to make a laser cannon.

Yu Ying, Kao and Fan return to China to start a martial arts school but are bullied by the Japanese competitor who runs the Black Bear school. The harassment leads to intense conflicts between them.

Bloodsport III brings us back to the world of Alex Cardo. This time he must battle in a fight to end all fights - The Kumite, the most vicious warrior alive - Beast. He must not only battle for his own honor, but also avenge the death of Sun, his mentor, teacher, and spiritual "father", when Sun is spitefully killed by crime boss Duval...

Agent John Keller goes undercover into the tough prison known as Fuego Penal to find out about the corpses of prisoners disappearing without a trace. There he gets involved in a dangerous tournament arranged by a man named Justin Caesar, where the prisoners are forced fight to death.

Two feuding brothers of differing political views, one a policeman, the other a martial artist, join forces to avenge the death of their father, a retired agent who was brutally murdered by the mafia.