A teenage girl is missing. The clock is ticking. Find her, before he does . . .
With the police struggling, CSI Darby McCormick is shocked to discover a terrified woman hiding in the shadows of a crime scene.
A woman who was abducted herself, five years before, and has managed to escape.
She could be their only lead.
But what Darby doesn't know is that a serial killer has been prowling America for decades. A killer she's met before.
Once, long ago, he tore her life apart. Now he wants to finish the job...