Trauma victims are not new to medical examiner Faith McIntyre, but this one is different. The unconscious woman clinging to life after a hit and run is FBI agent Macy Crow. What the woman from Quantico was doing in a dark alley after midnight is just one mystery. The other is more unsettling: Macy is Faith’s mirror image—the twin sister she never knew she had.

FBI special agent Zoe Spencer uses skeletal remains to recreate the faces of murder victims through sculpture. Though highly scientific, the process is also sensitive and intimate; she becomes attached to the individuals she identifies, desperate to find justice for each. As Zoe examines old remains, she sees a teenage girl looking back at her - the victim in a cold case from over a decade ago.

The promise of a luxury vacation at a secluded wilderness spa has brought together eight lucky guests. But nothing is what they were led to believe. As a fierce storm barrels down and all contact with the outside is cut off, the guests fear that it’s not a getaway. It’s a trap. Each one has a secret. Each one has something to hide. And now, as darkness closes in, they all have something to fear - including one another.

Fourteen years ago, Kaitlin Roe was the lone witness to the abduction of her cousin Gina. She still remembers that lonely Virginia road. She can still see the masked stranger and hear Gina’s screams. And she still suffers the guilt of running away in fear and resents being interrogated as a suspect in the immediate aftermath. Now Kaitlin has only one way to assuage the pain and nightmares—by interviewing everyone associated with the unsolved crime for a podcast that could finally bring closure to a case gone cold.

When a mutilated body is found hanging in a seedy motel in Philadelphia, forensics specialist Liam Dwyer assumes the crime scene will be business as usual. Instead, the victim turns out to be a woman he’d had an affair with before breaking it off to save his marriage. But there’s a bigger problem: Liam has no memory of where he was or what he did on the night of the murder.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

Former homicide detective Nicole Foster has hit rock bottom. Driven off the force by her treacherous partner and lover, she's flat broke and struggling with a gambling addiction. All Nicole has left is the dream of a warm bed at a homeless shelter and the haunting memories of three-year-old Kelsey Chase—whose murder case ended her career. As Nicole obsesses over the old facts, she realizes everything about that case felt off.

When Detective Rebecca North left her rural hometown, she vowed never to return. Her father’s apparent suicide has changed that. The official report is that retired cop Noah North shot himself, knocked over a lantern, and set his isolated cabin ablaze. But Rebecca cannot believe he killed himself. To prove it, she needs the help of Ash Haugen, the man she left behind. But Rebecca and Ash share more than broken hearts. Something darker lies between them, and the investigation is stirring it back to life.

Private investigator Jessica Shaw is used to getting anonymous tips. But after receiving a photo of a three-year-old kidnapped from Los Angeles twenty-five years ago, Jessica is stunned to recognize the little girl as herself. Eager for answers, Jessica heads to LA’s dark underbelly. When she learns that her biological mother was killed the night she was abducted, Jessica’s determined to solve a case the police have forgotten.

Two years ago, Julia lost her family in a tragic accident. Her husband drowned trying to save their daughter, Lily, in the river near their rural home. But the little girl’s body was never found—and Julia believes Lily is somehow still alive. Alone and broke, Julia opens her house as a writers’ retreat. One of the first guests is Lucas, a horror novelist, who becomes obsessed with finding out what happened to Lily.

Three Chicago women have been found strangled, embalmed, and posed as if still alive. Doubting the findings of the local PD’s profiler, the FBI calls on forensic psychologist Zoe Bentley to investigate. Zoe quickly gets off on the wrong foot with her new partner, Special Agent Tatum Gray. Zoe’s a hunter, intense and focused; Tatum’s a smug maverick with little respect for the rules.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

Perfect wife. Doting mom. Jennifer Griffin was loved by everyone, including the women in her suburban-neighborhood book club. Their meetings sometimes went late, but Jenn always came home. Until that night. When Greg Griffin wakes to find his wife is not in bed, his blood runs cold. Her book club friends say Jenn left for home hours ago. But she’s missing. Greg tells detectives their marriage is good, but his alibi is razor-thin. With their young son away at a sleepover, Greg had all night to commit a crime. And there are scrapes on his hands…

If She Only Knew, introduces the Cahills, a wealthy San Francisco family - rich in money, twisted secrets, and hidden agendas. Now at the center of their tangled world is Marla Cahill - a woman with no memory of who she is, what she’s done, or why she could be the next to die... It begins on a dark stretch of highway. Two vehicles swerve and crash - leaving one woman dead and another in a coma. When the surviving woman awakens, her memory is gone and her face has been reconstructed. Her family tells her that her name is Marla Cahill - but they’re all strangers to her.

When Chloe Davis was twelve, six teenage girls went missing in her small Louisiana town. By the end of the summer, her own father had confessed to the crimes and was put away for life, leaving Chloe and the rest of her family to grapple with the truth and try to move forward while dealing with the aftermath.

When a mutilated body is found hanging in a seedy motel in Philadelphia, forensics specialist Liam Dwyer assumes the crime scene will be business as usual. Instead, the victim turns out to be a woman he’d had an affair with before breaking it off to save his marriage. But there’s a bigger problem: Liam has no memory of where he was or what he did on the night of the murder.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

A peaceful Minnesota town, where crime is something that just doesn’t happen, is about to face its worst nightmare. A young boy disappears. There are no witnesses, no clues — only a note, cleverly taunting, casually cruel. Has a cold-blooded kidnapper struck? Or is this the reawakening of a long-quiet serial killer?

Detective Angie Pallorino hasn't forgotten the violent rapist who left a distinctive calling card—crosses etched into the flesh of his victim's foreheads. When a comatose Jane Doe is found in a local cemetery, sexually assaulted, mutilated, and nearly drowned, Angie is struck by the eerie similarities to her earlier unsolved rapes. Could he be back?

On Christmas Eve, DCI Mackenzie Jones is called to a shooting at a remote farmhouse. Ralph Mallender believes his father lies dead inside. When three more bodies are discovered, it's clear a festive family gathering has turned into a gruesome tragedy. At first it seems like an open and shut case: a murder suicide committed by Ralph's volatile brother Cameron. Then new evidence makes Mack suspect the man who reported the crime is in fact the perpetrator. But Mack isn't the only one with a stake in the case.

In their isolated country house, a mother and her two children prepare to wait out a blinding snowstorm. Two violent predators walk through the door. Nothing will ever be the same. When the two strangers turn up at Rowena Cooper's isolated Colorado farmhouse, she knows instantly that it's the end of everything. For the two haunted and driven men, on the other hand, it's just another stop on a long and bloody journey. And they still have many miles to go, and victims to sacrifice, before their work is done.

When buried bones are unearthed by a storm in North Yorkshire’s picturesque coastal town of Whitby, Black is drawn into an investigation that takes him back to the late eighties and the fiery demise of a popular pub. Frank is no stranger to vulnerability. With a shattered daughter, he lives with it. With an outsider in Detective Inspector Gerry Carver, he works with it. And in Charlotte Wilson, a young, eighteen-year-old musician discarded and buried near the old whalebones of Whitby, he recognizes it.

When a body is discovered, bled dry on a beach, the sleepy seaside town of Weston-super-Mare wakes up to a nightmare. For Detective Inspector Louise Blackwell, recently transferred to the town she last saw as a child, it’s her first case on the job. The victim - Veronica Lloyd, an elderly volunteer at a local church - has puncture wounds to her hands. When a priest is found killed in a nearby church in a similarly grisly condition, it becomes clear that Blackwell is dealing with a righteous and bloody murderer. But the victims aren’t random.

Kaely Quinn's talents as an FBI behavior analyst are impossible to ignore, no matter how unorthodox her methods. But when a reporter outs her as the daughter of an infamous serial killer, she's demoted to field agent and transferred to St. Louis. When the same reporter who ruined her career claims to have received an anonymous poem predicting a string of murders, ending with Kaely's, the reporter's ulterior motives bring his claim into question. But when a body is found that fits the poem's predictions, the threat is undeniable.

When renowned FBI Agent Benjamin Forrester suffers a devastating loss while trying to catch an elusive serial killer, he quits the bureau. Years later, after a similar series of gruesome murders trigger an investigation in the coastal town of Eden Falls, Maine, Ben is called upon to assist the rookie police detective, Dakota Woods. He soon learns he's being lured into a deadly game of cat and mouse where the only way to stop the murders is to confront his past and face his worst fear.

Florida homicide detective Maggie Novak has seen hundreds of brutal murder cases, but when she is called out to investigate the charred remains of a young woman, in what appears to be a Halloween prank gone wrong, she is confronted with a twenty-year-old secret. The body is formally identified as that of school counselor Dana Cullen, but a distinguishing mark makes Maggie look again. She believes it is the body of her school friend Rita, who perished in a fire twenty years ago. Maggie’s hunt for the truth behind the murder takes her back to a cruel high school trick.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

As a child, Abby Mullen escaped the insidious Wilcox cult when it literally went down in flames. Years later, she’s the NYPD’s best hostage negotiator and a mother. She thought the worst part of her life was behind her. Until now. Armed conspiracy theorists called the Watchers have attacked the local high school - and taken her daughter hostage. With the delusional Watchers holding her child at gunpoint, the unflappable Abby might be at her breaking point. But the clock is ticking on her daughter’s life.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

FBI Agent Ava James had a difficult entrance into the FBI. After shadowing famed agent Emma Griffin inside the disturbing underbelly of Windsor Island, Ava James is now ready to carve out her own path in the agency.