The planet Earth is under attack by a race of belligerent energy vampires known and feared as the Denebian Empire. This species is adept in dangerous black magic, and have managed to conquer or destroy a good portion of our galaxy. What chance does a small, relatively primitive planet such as Earth have against such a formidible foe? The fate of mankind rests in the hands of the Spectrum Force. Keith is back in Austin, but he takes the memories with him.