Just as Shiloh accepts her duty as a demon slayer, she's imprisoned in Hemlock Reformatory. Shiloh will have to tap into her inner-demon to survive this monster-infested place or die gladiator-style in the arena. Life gets even more complicated with the arrival of an eerie carnival in Ravenwood, while Shiloh searches for an escape to obtain a mystical dagger that will finally cure her of the Darkness. But Shiloh's afraid time is running out, because the more dark magick Shiloh uses, the more addicted she becomes. And with that sinister essence spreading inside her, she could lose more than just her humanity, she'll become the very thing she fights— . How much is Shiloh willing to sacrifice to protect those she loves and stop the end of the world?