Ray, a 14-year-old who lives with his mom and grandfather, has been recruited by the Duel Masters to study KAIJUDO - "The Way of the Creature." They chose Ray for his natural talent as a creature tamer and duelist. Along with pals Allie and Gabe, Ray learns to work with the magical creatures... in their world. Each duel he fights yields new experience and allies in both worlds. The Veil, which has divided the two worlds for a thousand years, is crumbling. Hope lies with those who can masters the art of KAIJUDO.