In the darkest corners of Chicago, something is hunting the people who think they're untouchable.
By day, Billy Graye, a man living with D.I.D. and a cunningly dangerous alter named Seth—with a sweet tooth for justice—is just another architect existing in the city. But by night, a masked figure known as the White Devil stalks the city's dead zones, leaving child murderers, pedophiles, predators and other scum to wonder whether they're being hunted by a man, a monster, or something far worse...