Beneath the glare of three purple suns, three travelers—an old Mexican woman, an automated jeep, and a brontosaurus—have trudged across a desert for hundreds of years. They do not know if the desert has an end, and if it does, what they might find there. Sometimes they come across perfectly-preserved cities, but without a single inhabitant, and never a drop of rain. Worse still, they have no memory of their lives before the desert. Only at night, in dreams, do they recall fragments of their past identities.
But night …