An angry hermit is able to control the minds of two foreign armies, causing them to advance to attack America on two fronts. Even if he is killed, the armies will continue. Only one thing can stop him and that is a detro-ray of a scientist he has sent people to eliminate unless Saber the Spy Fighter can save the man. Mind you, Saber uses this weapon to destroy lots of ships and tanks filled with mind-controlled soldiers. Doesn't seem right.