With the White Martians' defeat of the JLA, the Earth is in their villainous grasp at last. And now that the Martians' long-term alteration of Earth's atmosphere nearing its completion, there doesn't seem to be any hope of thwarting their evil ambitions by exposing them to their one weakness: fire. Having retreated to the airless space around the moon, how can the few surviving Leaguers possibly withstand the aliens' crippling assault?