In the distant future, the Earth has become, because of its overexploitation by the human species, a huge parched desert. The few remaining communities limit births and encourage humans to practice euthanasia to achieve a faster death. Targ, his wife, sister, and their children, the last living on Earth still ready to survive, go in search of water and new land to rebuild. In parallel, another race of half-living half-mineral beings, thrives on the ruins of human civilization: the ferromagnetals...
