Adopted when she was only days old, Ivy Hon knows little about her lineage. But when she’s stricken with a mystery illness, the results of a genetic test to identify the cause attract the FBI. According to Ivy’s DNA, she’s related to the Full Moon Killer, who has terrorized the Pacific Northwest for decades. Ivy is the FBI’s hope to stop the enigmatic predator from killing again.

It seems like an open-and-shut case for FBI special agent Lucy Thorne when Eliza Cook walks into the field office. The teenage girl confesses to murdering a young boy. Disturbingly composed, she reveals chilling details only the killer could know. Beyond that Eliza doesn't say another word, leaving a vital question met with dead silence: Why did she do it?

Three months after four-year-old Holly Gebhardt was kidnapped, she was inexplicably returned to the same park from which she’d vanished...with no memory of the ordeal. Though a local handyman was convicted, suspicion also fell on his friend - Holly’s mother, Cecily. The troubling doubts about her involvement shattered the family, forever driving a wedge between mother and daughter. Twenty years later, another girl goes missing under eerily similar circumstances. It’s just the latest in a series of kidnappings that Detective Jason Guidry thinks Holly can help solve.

In the elite world of luxury real estate, it is often kill or be killed, something agent Andi Hart knows all too well—and after recent events, she’s ready to set her own rules. So when her boss challenges the team to find a buyer for a glitzy Malibu beach house, with a prize commission of a cool $1 million, she knows it’s her ticket to a new life. But she’s not the only one who not only wants but needs the money. Each of her four colleagues has secrets they’re eager to hide—secrets $1 million would go a long way in concealing.

Taryn Moore is young, beautiful, and brilliant…so why would she kill herself? When Detective Frankie Loomis arrives on the scene to investigate the girl’s fatal plunge from her apartment balcony, she knows in her gut there’s more to the story. Her instincts are confirmed when surprise information is revealed that could have been reason enough for Taryn’s suicide - or a motive for her murder.

Psychologist and criminologist Dr. Gretchen White is a specialist in antisocial personality disorders and violent crimes. She’s helped solve enough prominent cases for detective Patrick Shaughnessy that her own history is often overlooked: Gretchen is an admitted sociopath once suspected of killing her aunt. Shaughnessy still thinks Gretchen got away with murder. It’s not going to happen again.

When her beloved sister Caroline dies suddenly, Deirdre is heartbroken. However, her sorrow turns to bone-chilling confusion when she receives a message Caroline sent days earlier warning that her death would be no accident. Long used to being a pariah to her family, Deirdre covers her tattoos and heads to Manhattan for her sister’s funeral. The message claimed Caroline’s husband, Theo, killed his first wife and got away with it.

Still reeling from a personal tragedy, investigative journalist Rooker Lindström finds a grim hideaway from the world. It’s the dilapidated cabin on Minnesota’s Deer Lake bequeathed to him by his late father—one of the most notorious serial killers in the state. If the walls of this murder house could talk, they’d scream. Detective Tess Harlow needs something from Rooker only he can provide: a window into the mind of a murderer. A copycat is on the prowl, following in the footsteps of Rooker’s father.

On a humid summer day in Alabama, a mayor’s wife turns up brutally murdered under a railroad bridge. Standing next to her body is fourteen-year-old Mason Hill, the autistic son of former Miss USA Genevieve Hill. The locals are quick to level their verdict on young Mason: he did it. The town detective calls in local autism expert Casey Walker to consult on the case. At first, Casey tries to keep an open mind. But the more time she spends with Genevieve, the more her unease grows, and she suspects that Genevieve is doing more than just protecting her son.

After barely surviving a brutal attack, Brienne Dougray rarely leaves her house. Suffering from debilitating headaches and memory loss, she can rely only on her compassionate new tenant, Dr. Niall Emberlin, a welcome distraction from the discomfiting bubble that has become her existence. But Brienne’s growing confidence in her new routine is shaken when she stumbles across unsettling evidence that someone else is living as...her. Same name. Same car. Same hair. Same clothes. She’s even friended her family on social media.

Convicted serial killer Benjamin Fisher has finally offered to lead San Bernardino detective Daniel Ellis to the isolated graves of his victims. One catch: he'll only do it if FBI profiler Reni Fisher, his estranged daughter, accompanies them. As hard as it is to exhume her traumatic childhood, Reni can’t say no. She still feels complicit in her father’s crimes.

Everyone from Wakarusa, Indiana, remembers the infamous case of January Jacobs, who was discovered in a ditch hours after her family awoke to find her gone. Margot Davies was six at the time, the same age as January—and they were next-door neighbors. In the twenty years since, Margot has grown up, moved away, and become a big-city journalist. But she’s always been haunted by the feeling that it could’ve been her. And the worst part is, January’s killer has never been brought to justice.

When Hannah Maloney’s aunt dies in a car accident, she returns to her family’s castle in the Catskills and the epicenter of a childhood trauma: her sister’s unsolved disappearance. It’s been 17 years, and though desperate to start a new life with her fiancé, Hannah is compelled to question the events of her last summer at Brackenhill. When a human bone is found near the estate, Hannah is convinced it belongs to her long-lost sister. She launches her own investigation into that magical summer that ended in a nightmare.

Sisters. Strangers. Survivors. More than 20 years ago, Claire and Lydia's teenaged sister Julia vanished without a trace. The two women have not spoken since, and now their lives could not be more different. Claire is the glamorous trophy wife of an Atlanta millionaire. Lydia, a single mother, dates an ex-con and struggles to make ends meet. But neither has recovered from the horror and heartbreak of their shared loss—a devastating wound that's cruelly ripped open when Claire's husband is killed.

Alex Mahan is married to his high school sweetheart, Taylor. They have two daughters and a beautiful home, and Alex’s startup business is about to explode thanks to massive private funding from his compassionate and supportive father-in-law, Joe. With millions more to come, all is perfect - until Joe is abducted and murdered during a family trip in Mexico.