The leader of Satan Organization creates a new syndicate, Desmoron, which sees the total destruction of the world with General Scorpion in charge. Chen Ying-Jie, a man who saw one of their victims, is hunted down by the syndicate and after his parents are killed and himself badly wounded, the Super Riders save him by transforming him into their newest member, Super Rider V3. Now a superman, Chen now seeks revenge on Desmoron with the fate of the world on the balance.

After fleeing Europe, the brilliant scientist and mad doctor Frankenstein prepares his campaign of revenge against all of humanity in distant China. Completely isolated from the outside world, he develops his terrifying kung-fu monsters in his laboratory, using both test tubes and operating tables, quickly spreading panic and terror. With his weapon of horror, he also intends to destroy the Earth's axis. No one dares to oppose him, no army can stop his monsters. Only the Kung Fu Super Riders, a small elite troop of daring death riders, possess the technological skills, thanks to their advanced weaponry, to avert catastrophe. A race against time begins...