"Six years ago, Lucy Kincaid was attacked and nearly killed by an online predator. She survived. Her attacker did not. Now Lucy's goal is to join the FBI and fight cyber-crime, but in the meantime, she's volunteering with a victim's rights group, surfing the Web undercover to lure sex offenders into the hands of the law. But when the predators she hunts start turning up as murder victims, the FBI takes a whole new interest in Lucy." -- p. [4] of cover....

After thirteen-year-old Lainey Emerson disappears after a Friday night out with her friends, Special Agent Bobby Dees, who is still haunted by the unsolved disappearance of his own daughter, fears that she may be the victim of an online predator.