A pack torn. An enemy revealed. The werewolves face a long-forgotten foe... As they battle vampires in Kansas City, Hugh and the wolves learn the war in Falias has gone horribly wrong. The Mad King stole humanity’s most dangerous weapons. Now Damian Vesik, necromancer and ally of the River Pack, has been lost to the Abyss. Vicky longs to save Damian, to return the favor he once granted her, but soon discovers the only chance to rescue him means facing a gauntlet of ancient trials. Nudd’s madness has unleashed nightmarish new obstacles, and it seems the wolves have met their match. Vicky, Hugh, and the pack must protect Kansas City from the rising darkness even as Nudd’s will threatens to crumble the city itself.