War on the surface of Earth has destroyed civilization as we know it and driven humans underground. The Asians and those of Western Civilization are mortal enemies. A daughter of the West falls in love with a captured Asian. Their love is found out and he is to be taken to the surface and die in the nuclear radiation.
When the daughter runs after her doomed lover, and is stopped, it is revealed that she has no sign of radiation poisoning. What is the meaning behind this? Investigation sheds clues that robots sent to the surface are also without radiation. Can it be? What is the real status of the war on the surface?
The robot defenders are supposed to be protecting humans from the harmful atmosphere, but how long has it been clear to go outside? Have the robots taken over the earth as we know it, and kept people in their prison below the surface?