A mysterious cloud appears in space and then envelopes the planet, laying waste to humanity's accomplishments. Humankind emerges from their shelters, they find the air cleansed and the earth renewed. When the Barkuu come to claim their prize, they cull humanity's numbers and push them back to the wilds.
Hundreds of years later a new society has spawned from the ashes, with a new dominant species. The Barkuu, a truly advanced and ancient species has made this the latest in a network of planets. Using humankind to design their own bodies, they now treat them like livestock and hunt them like game. How will humanity fare when subjugation is their only option?