Five individuals from five nations are kidnapped by an alien race and given capsules that can destroy all human life within a 3,000-mile radius, but only if activated by their respective mental commands. The aliens give them 27 days to decide whether to use the capsules, and return them to Earth. Gene Barry as Jonathan Clark, Valerie French as Eve Wingate, George Voskovec as Prof. Klaus Bechner, Azemat Janti as Ivan Godofsky, Stefan Schnabel as The Soviet General are among those who must navigate their newfound powers in a world on the brink of destruction.