About to return to Earth from Jade-Realm, Gina and her students are ambushed by Serpentus and his minions! With Gina as hostage, Serpentus gains entry into the secret tunnels of the Shadow Elves and to lower their defenses for Dreadwing's invasion force! Only one guard stands between Serpentus and total victory, but that guard is Rhoaton, Shadow Elf champion, and he's all they need!