When two young women are murdered on the streets of Manhattan - exactly one year apart, both after dates arranged through an online dating website - Detective Ellie Hatcher is moved to a special assignment on the elite homicide task force. The killer has left behind a taunting hint connecting the two cases, and Flann McIlroy, an eccentric and publicity-seeking homicide detective, is convinced that Ellie is uniquely situated to help him pursue a terrifying theory.

Deputy District Attorney Samantha Kincaid walks into her office in Portland's Drug and Vice Division one morning to find the sergeant of the police bureau's vice unit waiting for her. A 13-year-old girl has been brutally attacked and left for dead on the city's outskirts. Given the lack of evidence, most lawyers would settle for an assault charge; Samantha, unnerved by the viciousness of the crime, decides to go for attempted murder.

At first, they struggle to escape. Then a torrent of blows rains down upon their bodies until their eyes cloud over in final agony. The killer shows no remorse - just a twisted need to witness each victim's last terrified moments. Public defender Rachel Wainwright is struggling to reopen a decades-old case, convinced that the wrong man is in prison. Homicide detective Deke Morgan doesn't want to agree.

Casey Carter was convicted of murdering her fiancé - famed philanthropist Hunter Raleigh III - 15 years ago. And Casey claims - has always claimed - she's innocent. Although she was charged and served out her sentence in prison, she is still living under suspicion. She hears whispers at the grocery store. She can't get a job. Even her own mother treats her like she's guilty. Her story attracts the attention of Laurie Moran and the Under Suspicion news team - it's Casey's last chance to finally clear her name, and Laurie pledges to exonerate her.

Special Agent Macy Crow is a survivor. After a vicious hit-and-run nearly kills her, she gets right back to work, and now she’s gunning for a spot on the FBI’s elite profiling team. As an audition, she offers to investigate the recently discovered bones of Tobi Turner, a high school girl who disappeared fifteen years ago. While investigating with local sheriff Mike Nevada, a former colleague and onetime lover, Macy discovers a link between Tobi’s case and several others that occurred around the same time as her disappearance.