Harry Dresden is on the case again, this time investigating a brutal mauling at the Lincoln Park Zoo that has left a security guard dead… and many questions unanswered. But Dresden isn't a private detective, looking for a murderer – he's a wizard, with the ability to interact with the magical world around our own, and to see that there's much more to this case than a simple animal attack. As Dresden begins to hunt for clues to figure out who is really behind this crime, he finds himself next on the victims list…