The war against Osyrus Ward goes poorly for Bershad and Ashlyn. They are pinned in the Deepwood by monstrous alchemical creations and a relentless army of mercenaries, they are running out of options and allies. The Witch Queen struggles with her new powers, knowing that the secret of unlocking her dragon cord is key to stopping Ward's army, she pushes forward with her experiments. Meanwhile, with every wound Bershad suffers, he gets closer to losing his humanity forever, and as the war rages, the exile turned assassin turned hero isn't even sure if being human is something he wants.