#1 New York Times bestselling author Kelley Armstrong introduces the first chilling novel in the Cainsville series.

Olivia Taylor-Jones is shattered to learn that she’s adopted. Her biological parents? Notorious serial killers. On a quest to learn more about her past, Olivia lands in the small town of Cainsville, Illinois. As she draws on long-hidden abilities, Olivia begins to realize that there are dark secrets in Cainsville—and powers lurking in the shadows.