In ONCE GONE, women are turning up dead in the rural outskirts of Virginia, killed in grotesque ways, and when the FBI is called in, they are stumped. A serial killer is out there, his frequency increasing, and they know there is only one agent good enough to crack this case: Special Agent Riley Paige. Riley is on paid leave herself, recovering from her encounter with her last serial killer, and, fragile as she is, the FBI is reluctant to tap her brilliant mind. Yet Riley, needing to battle her own demons, comes on board, and her hunt leads her through the disturbing subculture of doll collectors, into the homes of broken families, and into the darkest canals of the killer’s mind. As Riley peels back the layers, she realizes she is up against a killer more twisted than she could have imagined.

Criminal profiler in training Jessie Hunt is sure she's finally put the darkness of her childhood behind her. She and her husband, Kyle, just moved into a Westport Beach mansion. But soon after their arrival, Jessie begins to notice a series of strange developments. The neighbors - and their au pairs - all seem to be hiding secrets. The mysterious yacht club Kyle is desperate to join is rife with cheating spouses. And the notorious serial killer being held at the psychiatric hospital where Jessie is completing her degree seems to know more about her life than is normal - or safe. 

Fifty-five-year-old empty nester - and freshly retired FBI agent - Kate Wise finds herself drawn out of her quiet suburban life when her friend’s daughter is murdered in a home invasion - and she is implored to help. As Kate hunts the killer, she soon finds herself at the forefront of a manhunt as more bodies turn up - all suburban moms in perfect marriages - and it becomes apparent there is a serial killer stalking this quiet town.  

Chloe feels life is finally perfect as she moves back into her hometown and into a new house with her fiancé. Her career with the FBI looks promising, and her wedding is on the horizon. But, she learns, all is not as it seems in suburbia. Chloe begins to see the underside - the gossip, the secrets, the lies - and she finds herself haunted by her own demons: her mother’s mysterious death when she was 10, and her father’s imprisonment. And when a fresh body is found, Chloe soon realizes that her past, and this small town, might hold the key to solving both.

Twenty-two-year old psychology major - and aspiring FBI agent - Riley Paige finds herself in a battle for her life as her closest friends on campus are abducted and killed by a serial killer. She senses she, too, is being targeted - and that she must apply her brilliant mind to stop the killer herself. When the FBI hits a dead end, they are impressed enough by Riley’s keen insight into the killer’s mind to allow her to help. Yet the killer’s mind is a dark, twisted place, one too diabolical to make sense of, and one that threatens to bring Riley’s fragile psyche crashing down.