The FOREVER KNIGHTS have secured an alien weapon that will help them kill a DRAGON they have held captive for centuries, but after the dragon escapes they must ask Ben for help in recapturing it. Ben agrees to help but soon discovers the real identity of the dragon along with its ulterior motive for wanting to return to the Forever Knights. Ben must use his head, not just his brawn, in finding a peaceful solution to the impending fight between the dragon and the knights.