With magic gone, Otherside is more vulnerable than it has ever been. Arden Finch can steal magic back, but that means risking her life and Troy's to Dreamwalk through the underworld in a series of tests. Even with a squad and celestial help, the trials could have dire consequences. Surviving and succeeding will require Arden to make unlikely alliances and face her own nightmares, but that's easier said than done. Restoring magic is a race against time, and secrets pile up while threats abound from all sides. Assassins move in the shadows, the mundane protests are escalating, and the Bureau for Supernatural Investigation wants Arden to be their tame elemental. As the pressure drives Arden past her limits, some think she is losing control. If that happens, lives and magic will be lost too-forever.