Sensor Girl has been elected the newest leader of the Legion of Super-Heroes, with Timber Wolf as her deputy leader. Before too long, things seem to go haywire on Earth. Monsters that shouldn't exist begin to show up. The weather patterns on the planet go haphazardly. Modern experts deduce that science won't take care of the problem and implore the Legion of Super-Heroes for assistance. Sensor Girl receives a message from Sorcerer's World, learning that the ways of magic are returning, dwarfing the impact of science.