In this update of the 1930's comic strip, Flash is a football hero who is skyjacked aboard Dr. Zarkov's rocketship along with beautiful Dale Arden. The threesome are drawn into the influence of the planet Mongo, controlled by Ming the Merciless. Ming has been testing the Earth with unnatural disasters, and deeming it a threat to his rule, he plans to destroy it. He also intends to take Dale as his concubine. Flash must avoid the amorous attentions of Ming's daughter and unite the warring kingdoms of Mongo to rescue Dale and save our world.