The Ruman Kingdom is known as the Gambling Kingdom. Galactor, guaranteeing the king's position, is channeling millions in riches out of the country. His highness Prince Luga's heart is torn by the people moaning with the high taxes imposed by the kingdom. So he contacts the ISO and offers to hand over a microfilm containing the location of the Galactor bases and headquarters to them. He does this knowing that it's against his father the king's, orders. In order to lay their hand son the film, the Science Ninja Team takes part in a race sponsored by the prince in which everybody can participate. But the encounter obstacles set by Galactor, who know the prince's plans. They're lured, together with the prince, into the base located in the interior of the kingdom. Katse wants to force them into exchanging the film against the king's life. But the prince has already handed over the film to Ken. Katse gets angry and shoots the king. The prince, clinging to his father's body, cries very much. But he has now his duty towards the people of the kingdom. Katse wants to take back the film by force. In order to achieve this wants to cut open Jinpei's stomach, since he pretended to swallow down the film. After the ensuing brawl, Joe has Katse cornered and is about to take away his mask, but Katse get away again by a hair's breadth. Despite the fact that they saved the prince's life, the film, which cost a huge sacrifice, was burned as well.