The Dead Eyes killer lurks in the backyard of the FBI's famed Behavioral Analysis Unit. His brutal murders, unlike any others previously encountered, confound the local task force, despite the gifted skills of Special Agent Karen Vail, the first female ever promoted to the profiling unit. But along with her keen insight, Vail brings considerable personal and professional baggage—both of which threaten to derail the investigation, destroy her storied career and get her killed.

Following the incident that brought justice to her parents’ killers but ended her career, former FBI Special Agent Rebecca West needs a fresh start. Hoping to find peace, she decides to spend a few months in the sleepy beach town of Shadow Island, where she spent idyllic summers as a kid. However, her vacation is cut short when a seventeen-year-old goes missing with no leads or clues. When the girl’s body is found in a nearby marsh with strangulation marks around her neck, Rebecca can’t say no when the overworked sheriff asks her to help investigate.

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.

Every day without fail, Travis Devine puts on a cheap suit, grabs his faux-leather briefcase, and boards the 6:20 commuter train to Manhattan, where he works as an entry-level analyst at the city’s most prestigious investment firm. In the mornings, he gazes out the train window at the lavish homes of the uberwealthy, dreaming about joining their ranks. In the evenings, he listens to the fiscal news on his phone, already preparing for the next grueling day in the cutthroat realm of finance. Then one morning Devine’s tedious routine is shattered by an anonymous email: She is dead.

Lucas Vega is obsessed with the death of Candace Swain, who left a sorority party one night and never came back. Her body was found after two weeks, but the case has grown cold. Three years later while interning at the medical examiner's, Lucas discovers new information, but the police are not interested.