Scattered by the tides of war, Princess Catherine leads a ragtag band of survivirs into the barren westeland of the Northern Plateau.
With enemies snapping at their heels, they are driven into the strange and deadly tunnels of the demon world.
But while Tash dares to go deeper, Catherine must return to the surface to confront a nation in turmoil - and her growing love for Ambrose. On the run from the law, Edyon and March grow closer even as their secrets threaten to tear them apart.