Lacey Sherlock's life is forever changed when her older sister's body is discovered in an abandoned warehouse. She is the fourth victim of the String Killer, the name given by the media to a murderer who leads his victims into a maze with a ball of twine. Seven years after Belinda's death, Lacey, now an FBI agent, is paired up with computer whiz Dillon Savich, who has developed a predictive program to aid in the apprehension of serial killers.

Eve Dallas is a New York police lieutenant hunting for a ruthless killer. In over ten years on the force, she’s seen it all - and knows her survival depends on her instincts. And she’s going against every warning telling her not to get involved with Roarke, an Irish billionaire - and a suspect in Eve’s murder investigation.

Hoping to escape unwanted celebrity in the aftermath of a notorious incident, Ramsey Hunt settles in the Rockies, determined to bury himself in the safety of a solitary existence. But his isolation is shattered when he stumbles upon a small girl unconscious in the high-altitude forest. When strangers pursue Ramsey to his private meadow in an attempt to kill him and the girl, he's mystified that anyone would wish her harm.

Baffled by a seemingly supernatural connection to his critically injured sister, an FBI special agent heads to the Oregon coast in search of a more plausible explanation for his sudden ESP, only to discover more puzzling mysteries.

Political speechwriter Becca Matlock is at the top of her professional game, working for the re-election campaign of New York's popular governor, when she receives the first phone call: "Stop sleeping with the governor or I'll kill him."