Some memories live deep in the soul, indelible and dangerous, waiting to be resurrected. Forensic dentist "Cat" Ferry is suspended from an FBI task force when the world-class expert is inexplicably stricken with panic attacks and blackouts while investigating a chain of brutal murders. Returning to her Mississippi hometown, Cat finds herself battling with alcohol, plagued by nightmares, and entangled with a married detective. Then, in her childhood bedroom, some spilled chemicals reveal two bloody footprints - and the trauma of her father's murder years earlier comes flooding back. Facing the secrets of her past, Cat races to connect them to a killer's present-day violence. But what emerges is the frightening possibility that Cat herself might have blood on her hands?