Missing persons expert and nomadic loner Frankie Elkin travels the country searching for the lost ones the rest of the world has forgotten. Her specialty: cold cases that generally end sadly. But this one could be different. Kaylee Pierson, “The Beautiful Butcher,” confessed from the start to enticing 18 men home before slitting their throats. As the clock winds down to her death, Pierson finally has received a lead on her baby sister, abducted years ago. Kaylee’s dying wish: to know Leilani is safe and sound. Frankie is eager to possibly rescue a teenage girl, even if it involves flying to a remote atoll in the Pacific, where a charming tycoon is constructing an eco-resort --- and possibly holding Leilani against her will. But now Frankie is trapped on an island with a dozen strangers and numerous deadly deceptions. As the danger mounts, she faces her toughest challenge.

Timothy O’Day knew the woods. Yet when he disappeared on the first night of a bachelor party camping trip, he didn’t leave a trace. What he did leave behind were two heartbroken parents, a crew of guilt-ridden groomsmen and a pile of clues that don’t add up. Frankie Elkin doesn’t know the woods, but she knows how to find people. So when she reads that Timothy’s father is organizing one last search, she heads to the mountains of Wyoming to join the rescue team. But as they head into the wild, it becomes clear that someone out there is willing to do anything to stop them. Soon they’re running out of time and up against the worst that man and nature have to offer, discovering the evil that awaits those who go one step too far.

Frankie Elkin is an average middle-aged woman, a recovering alcoholic with more regrets than belongings. But she spends her life doing what no one else will --- searching for missing people the world has stopped looking for. A new case brings her to Mattapan, a Boston neighborhood with a rough reputation. She is searching for Angelique Badeau, a Haitian teenager who vanished from her high school months earlier. Resistance from the Boston PD and the victim's wary family tells Frankie she's on her own --- and she soon learns she's asking questions someone doesn't want answered. But Frankie will stop at nothing to discover the truth, even if it means the next person to go missing could be her.

FBI Special Agent Kimberly Quincy and Sergeant Detective D. D. Warren have built a task force to follow the digital bread crumbs left behind by deceased serial kidnapper Jacob Ness. When a disturbing piece of evidence is discovered in the hills of Georgia, they bring Flora Dane and true-crime savant Keith Edgar to a small town where something seems to be deeply wrong. What at first looks like a Gothic eeriness soon hardens into something much more sinister...and they discover that for all the evil Jacob committed while alive, his worst secret is still to be revealed. Quincy and DD must summon their considerable skills and experience to crack the most disturbing case of their careers --- and Flora must face her own past directly in the hope of saving others.

A man is dead, shot three times in his home office. When the cops arrive, his pregnant wife is holding the gun. D.D. Warren arrives on the scene and recognizes the woman --- Evie Carter --- from a case many years back. Evie's father was killed in a shooting that was ruled an accident. But for D.D., two coincidental murders is too many. Flora Dane sees the murder of Conrad Carter on the TV news and immediately knows his face. She remembers a night when she was still a victim --- a hostage --- and her captor knew this man. Overcome with guilt that she never tracked him down, Flora is now determined to learn the truth of Conrad's murder. But D.D. and Flora are about to discover that in this case the truth is a devilishly elusive thing.

The home of a family of five is now a crime scene: four of them savagely murdered, one --- a 16-year-old girl --- missing. Was she lucky to have escaped? Or is her absence evidence of something sinister? Detective D. D. Warren is on the case --- but so is survivor-turned-avenger Flora Dane. Seeking different types of justice, they must make sense of the clues left behind by a young woman who, whether as victim or suspect, is silently pleading, Look for me.

Eight years ago, Sharlah May Nash’s older brother beat their drunken father to death with a baseball bat in order to save both of their lives. Now 13 years old, Sharlah has finally moved on. About to be adopted by retired FBI profiler Pierce Quincy and his partner, Rainie Conner, Sharlah loves one thing best about her new family: They are all experts on monsters. Then the call comes in. A double murder at a local gas station, followed by reports of an armed suspect shooting his way through the wilds of Oregon. As Quincy and Rainie race to assist, they are forced to confront mounting evidence: The shooter may very well be Sharlah’s older brother, and it appears his killing spree has only just begun.

Seven years ago, carefree college student Flora Dane was kidnapped while on spring break. For 472 days, she learned just how much one person can endure. Miraculously alive after her ordeal, she has spent the past five years reacquainting herself with the rhythms of normal life. When Boston detective D. D. Warren is called to the scene of a crime --- a dead man and the bound, naked woman who killed him --- she learns that Flora has tangled with three other suspects since her return to society. Is Flora a victim or a vigilante?

The last thing Boston Detective D. D. Warren remembers is walking the crime scene after dark. She is later told she managed to discharge her weapon three times. All she knows is that she is seriously injured and unable to return to work. Six weeks later, a second woman is discovered murdered in her own bed, her room containing the same calling cards from the first. It soon becomes apparent that the killer isn’t just targeting lone women --- he is targeting D. D.

Investigator Tessa Leoni arrives at the crime scene in the home of Justin and Libby Denbe, a couple who seemed to have it all but now appears to have been abducted. Tessa knows better than anyone that even the most perfect façades can hide the darkest secrets. Now she must race against the clock to uncover the Denbes’ innermost dealings, a complex tangle of friendships and betrayal, big business and small sacrifices.

A lone woman outside Detective D. D. Warren’s latest crime scene shocks her with a remarkable proposition: Charlene Rosalind Carter Grant believes she will be murdered in four days. And she wants D. D. to handle the death investigation.