Many years ago, two astronauts brought their five children on a mission to the flash star system, known for its prism-like formation. The two astronauts were then captured by the evil Experimental Reconstructive Science Empire. Before the children could be also captured, the Flash Defense Army intervened and drove the Empire off. The Flash People then raised the children, before it was discovered that due to their exposure to both Earth's and the Flash system's atmosphere's, the children shared a special aura. The children were trained to become great warriors in order to take advantage of the aura. Many years later, the children's robot guardian Cicuit learns that the Experimental Reconstructive Science Empire is moving towards Earth. The five are dispatched there in order to save their h