A rogue planet is 'rushing madly toward the turf.' Near at hand doom creates worldwide solicitor. But maverick scientist Dr. Zarkov hopes to check disaster alongside restless to the redesigned planet in his experimental take off. Two chance-met strangers, athletic Flash Gordon and damsel in distress Dale Arden, go with him. Arrived, the trinity command Mongo to be a planet of wonders, warring factions, and livid perils, its revolution controlled by Emperor Ming who has his own minatory plans in return dirt. Can our heroes, armed solitary with proficiency and sex attract, stop him?