Johnny and Ada brothers are teenage surfers, and their good friends Shorty often hang out with them. When Johnny's 16th birthday is approaching, a group of oriental ninjas sent by the notorious Colonel Qi attacked Johnny's family and kidnapped their father, but Johnny and Ada escaped safely under the protection of the martial arts, and the mysterious Cyclops Shaki revealed to their two brothers. They turned out to be the Fire Dragon Prince in the east, and now they must go back to save the common people killed by Colonel Manzi's dictatorship. As the heir to the throne of Huolong Island, Johnny was naturally endowed with high ninja and martial arts, while Ada had the ability to predict the future by relying on a palm video game machine. Under the witty leadership of Shaki and the interruption of the short man, a group of them fought mightily to Huolong Island.