It’s the 2010s and nuclear war between the US and Soviet Union has forced humanity into bunkers while the earth above falls under fire. Only the Leadys, the semi-sentient robot fighters, remain in the open, left by the humans to fight it out amongst themselves.
However, the humans below now have reason to suspect that their Leadys might have other motives…
Adapted by the Weisers from "The Defenders” by Philip K. Dick.