While investigating a gangland murder, Chicago Police Detective Tom Chapel discovers that the world is darker than he'd ever dreamed possible -- a world where evil is very real, where creatures like vampires gather in dark alleyways, and where the most dangerous predator isn't always what you'd think. Are Chapel's experience and skills as a cop up to the task, or are they a liability? And just who is Pieter Durant? There are things hunting in the night that even the monsters fear...