Masquerade's true identity has been revealed. To the surprise of all the Brawlers, it turns out that Masquerade is revealed to be Alice! Alice unwittingly walked in on one of her grandfather's experiments as a Super Dimensional Nova was occurring on Vestroia. That resulted in her turning into Masquerade and her grandfather Michael becoming the evil Hal-G. Now Hal-G has taken Alice away and Naga is attempting to cross over into the human world and steal the Infinity Core from his sister, Wavern. Only the Brawlers can stop him now. When a giant hole opens up between Vestroia and the human world, the Brawlers decide to head Naga off at the pass before he can complete his evil plan. Now they must face their greatest battle yet. If they fail, it will be the end of Vestroia, the Bakugan and planet Earth.