Sixteen years ago, her sister vanished while on a cross-country road trip...

FBI Special Agent Patterson Blake thinks the trauma of her sister Julie's disappearance is a distant memory. But when she helps raid the lair of a vicious serial killer, her unresolved emotions come crashing back with dire consequences.

Finding herself sidelined, and in danger of losing the job she loves, Patterson fears for the future. Until she discovers new and disturbing details of her sister's last days. Armed with a fresh sense of resolve, Patterson decides to follow in Julie's footsteps and do the impossible. Find out what happened to her sister, and why.

But when she stumbles across a sadistic sociopath who has been taking girls for decades and leaving them to die a gruesome death, the young FBI agent will discover that the past is a dangerous place, and the demons who dwell within are still out there, waiting for new prey.

And in Patterson Blake, they might just have found it...

A taut edge-of-your-seat crime thriller you won't want to put down.