The battle against the Beasts of Beastium continues! Only a wall divides Earth from the Beasts of Beastium. Only a boy and his dogbot defend the wall and protect Earth. Kai Masters. Border guard and beast battler! When it starts to snow in the middle of summer, Kai knows it's time for battle. Kai and his robot dog BC3 build their own Sub-Skate to battle the growing ice beast. But will their tools be enough to stop the beast from breaking through the border wall? Can they save the Earth from deep-freeze? Things will need to heat up!