A mysterious warrior arrives on Terra Venture, and attempts to steal the Galaxy Book. He's aware Kai is the Blue Ranger, and informs him that he's the Guardian of the book, warning the dangers that will arise if the book falls into the wrong hands. Of course, those evil hands just happen to belong to Deviot, who seeks the Galaxy Book for his own purposes. Can the Guardian and Kai stop the villain before he reads aloud a powerful spell which could put the colony in mortal danger?