What if, one day, Europe was to crack along the length of the Pyrenees, separating Spain and Portugal from the rest of Europe?

In Saramago's fable, a new island is sent spinning through the ocean like a great stone raft. While the authorities panic and tourists flee, three men, two women and a dog are drawn together by omens that burden them with a peculiar responsibility. In this magical realist tale, the six take to the road, finding themselves adrift in a world now unfamiliar and forced to reckon with their relationships, human psychology and the shakiness of belief itself.