The Thens of Alba live at the edge of the known world, the last remnant of a dying civilization. Their only hope for survival is one iconoclastic scholar who knows that the only way forward for his people is to discover more about the mystery behind the violent forces that threatens to destroy not only their lives, but to wipe their memory from the face of the planet, If he succeeds, he could reverse their seemingly inevitable decline. But what if his efforts end up unleashing the savagery and bloodshed he is trying to prevent?