The peaceful planet of Kestra is under threat. The evil Zargon forces are preparing to launch a devastating attack from an asteroid fortress. With the whole Kestran system in the Zargons' sights, Colonel Zana looks to one man to save them. Except one man isn't enough. Gathering a crack team around him including a talking chimpanzee, a marauding robot and a mystic monk, John Lovell must infiltrate the enemy base and save Kestra from the Zargons!