Two sisters on their way home from a fishing trip spot a mysterious man in the water. After rescuing him from drowning, they learn he's a martial arts master -- a good thing, since a gang of vicious thugs is ravaging the girls' village. Out of gratitude, the man agrees to train the sisters for the fight of their lives in this kung fu adventure from Sung Ting Mei co-starring Byong Yo and Sha Ling Ling.
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.
The G.O.D. Organization, a new syndicate even greater than Satan Organization and Desmoron, plan to drain Hong Kong's freshwater supply to show the world that they can destroy the human race. At the same time, they plan to attack Dr. Guo Dong and his son, Qian Da-Long, who is killed by them. In an effort to revive him, Guo Dong transfers his energy and life to his son to transform him into Super Rider X. Qian meets the other Super Riders and they begin a last fight to destroy the leader and minions of G.O.D.