Megan Roark, fiction editor for a major New York publisher, is battling the uncertainty of a new boss, downsizing in the company, and a stack of unpublishable manuscripts when an unsigned first chapter of a book mysteriously appears on her desk. Revolted by the contents about a mysogynist serial killer, Megan tries to ignore the work as, week after week, chapter after chapter shows up. However, drawn to the story, Megan begins to believe the work isn't fiction, but fact.Oscar Colunga, a Connecticut detective, has already begun to believe that there's a serial killer loose on his turf, since several female bodies have been discovered at the Nepaug Reservoir. With few clues to work with, he's stymied until a woman calls and tells him she believes she's reading the killer's memoirs -- but she won't leave her name, apparently terrified that the killer is watching her.Colunga now has to identify the woman and the killer. Haunted by the memory of his daughter's death by a serial killer, Colunga vows that he'll not let another woman die ... but will he find Megan before the murderer realizes he's told Megan too much, and kills her to keep his secrets?