Everyone in the small town of Denton is searching for Isabelle Coleman, a missing 17-year-old girl. All they've found so far is her phone and another girl they didn't even know was missing. Mute and completely unresponsive to the world around her, it's clear this mysterious girl has been damaged beyond repair. All Detective Josie Quinn can get from her is a name: Ramona. Currently suspended from the force for misconduct, Josie takes matters into her own hands as the name leads her to evidence linking the two girls.

Fourteen years ago, high school track star Sydney Adams was gunned down in Philadelphia's Fairmount Park. The investigation yielded useless clues, and the case went cold. But homicide detective Augustus Knox never gave up on finding Sydney's killer. Now retired from the police force and with only months to live, he enlists the help of private investigator Jocelyn Rush to clear the case once and for all.

FBI analyst Kassidy Bishop is assigned to the "'For You' Killer" task force after a series of sadistic murders bearing the same signature arise in different parts of the country. The homicides are both calculated and savage, occurring in different states, but bearing the same signature: the words "for you" scribbled at each crime scene. The case chills Kassidy, bringing back memories of her own encounter with a violent criminal five years earlier.

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.

The beautiful young woman is perfectly still, curled up in the trunk of the car, her long dark hair hiding her face. Her cotton blouse has ridden up a little, revealing two small dots an inch apart on her back. Just like the others. Guilt has kept FBI Agent Tori Hunter away from her home in Manchester Bay, Minnesota for 20 years, ever since her twin sister disappeared on the Fourth of July, when the girls should have been together. But when she receives an anonymous newspaper clipping about another missing girl, Genevieve, Tori is dragged back to the past.

Wanted: A picturesque new town, a fresh start, and a much-needed escape from the constant reminder that the world is still full of bad guys. For FBI agent Olivia Knight, that perfect place is Belle Grove, a charming small town in Northern Virginia, a place hidden by lush greenery and away from the big city. But when Olivia finds a young girl malnourished and disheveled outside her home, she is thrown into a disturbing case. In order to catch the culprit and find the missing children in her new hometown, Olivia must dive deep into the twisted mind of a deranged serial kidnapper.

In the lonely woods around Grizzly Falls, Montana, the first body is discovered, stripped naked and tied to a tree. Alvarez and Pescoli have been hoping for a career-making case, but this is a nightmare. The killer stages car accidents on icy, isolated roads and “rescues” his victims. He toys with them, heals them, earns their trust...before subjecting them to a slow, agonizing death.

When Detective Madison Harper arrives at a remote summer camp in Shadow Falls, Northern California, her heart breaks for Jenny, the sweet little girl last seen splashing in the lake with her friends before she vanished. Peering into the silent cabins filled with rows of neatly made beds, Madison knows this idyllic place is hiding a terrible secret.

When Penny Matthews, a seven-year-old girl with blonde curls and a gap-toothed smile, goes missing in the Appalachian mountains, Detective Ellie Reeves is called straight to the scene. According to Penny’s parents, their daughter vanished after a picnic by the creek. All that’s left behind is a pink friendship bracelet etched with “Penny”.

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 the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

Eeny, meeny, miny, moe. Catch a tiger by its toe. It's seared into Atlee Pine's memory: the kidnapper's chilling rhyme as he chose between six-year-old Atlee and her twin sister, Mercy. Mercy was taken. Atlee was spared. She never saw Mercy again. Three decades after that terrifying night, Atlee Pine works for the FBI. She's the lone agent assigned to the Shattered Rock, Arizona resident agency, which is responsible for protecting the Grand Canyon. So when one of the Grand Canyon's mules is found stabbed to death at the bottom of the canyon - and its rider missing - Pine is called in to investigate.

In The Coldest Case: A Black Book Audio Drama, homicide detective Billy Harney sends his new partner, Kate, deep undercover in a notorious Chicago drug ring. When several members of the ring soon turn up dead, Billy abruptly pulls Kate out, blowing her cover. Kate’s informant inside the gang quickly disappears. As does the ring’s black book.... When Billy can’t find the informant, he wonders if Kate is secretly harboring her, since the two grew close during Kate's weeks undercover.

It was Beth Katz’s serial killer father who made her like she is: a successful FBI agent and an unstoppable vigilante dedicated to hunting down murderers who have evaded capture. Beth will push herself to the limits to deliver justice. Even if it means killing those who deserve to die.

Deputy Shelby Lake was abandoned as a baby, saved by a stranger who found her in the freezing cold. Now, years later, a young boy is missing - and Shelby is the one who must rescue a child. The only evidence of what happened to 10-year-old Jeremiah Sloan is a bicycle left behind on a lonely road. After a desperate search fails to locate him, the close bonds of Shelby’s hometown begin to fray under the weight of accusations and suspicion. Everyone around her is keeping secrets.

Driving home one rainy night, Cassie Larkin sees a man and woman fighting on the side of the road. After calling 911, the veterinarian makes a split-second decision that will throw her sedate suburban life into chaos. Against all reason and advice, she gets out of her minivan and chases after the violent man, trying to help his victim. When Cassie physically tries to stop him, he suddenly turns on her and spits out an ominous threat: "Let her die, and I’ll let you live."

Blackwood mansion looms, surrounded by nightmare pines, atop the hill over the small town of New Haven. Ben Bookman, bestselling novelist and heir to the Blackwood estate, spent a weekend at the ancestral home to finish writing his latest horror novel, The Scarecrow. Now, on the eve of the book’s release, the terrible story within begins to unfold in real life.

When a local girl falls prey to a sadistic serial killer, Nashville homicide lieutenant Taylor Jackson and her lover, FBI profiler Dr. John Baldwin, find themselves in a joint investigation pursuing a vicious murderer. The Southern Strangler is slaughtering his way through the Southeast, leaving a gruesome memento at each crime scene – the prior victim’s severed hand.

Ellery Hathaway knows a thing or two about serial killers, but not through her police training. She's an officer in sleepy Woodbury, Massachusetts, where a bicycle theft still makes the newspapers. No one there knows she was once victim number 17 in the grisly story of serial killer Francis Michael Coben. The only victim who lived. When three people disappear from her town in three years, all around her birthday - the day she was kidnapped so long ago - Ellery fears someone knows her secret. Someone very dangerous.

There are people in Edgewater, Oregon, who think that twenty years ago, Rachel Gaston got away with murder. But Rachel still has no idea how a foolish teenaged game turned deadly - or who replaced her soft pellet air gun with a real weapon. When a figure jumped out at her from the darkness, she fired without thinking. By the time she recognized her half-brother, Luke, it was too late.

Dallas Phillips refuses to believe her father committed suicide, even though things were tough on his farm and he was deeply in debt. When she hears he'd told a neighbor about an upcoming windfall, she grows suspicious, and her suspicion only deepens when she realizes someone is lurking in the nearby mountains after dark. For help, she turns to Trey Jakes, local police chief - and her former lover. As they begin to investigate, another mystery comes to light.

Once a best-selling horror author, Paul Alenn is in a slump. His wife and daughter are across the country, moved away to the West Coast, leaving him alone in his Central Park-adjacent New York townhouse. When his sister calls, asking for help packing up his estranged mother’s house in his old hometown, Red Creek, he decides to put the past behind him and face his demons.

Obsessed with her job as a medical examiner and lead consultant with the FBI, Dr. Vivienne "Vivi" DeMarco is a woman running from her own demons. And finding the remains of a body on the side of a road in rural upstate New York wasn't part of her plan.

Eight-year-old Sophie Donohue just wanted to be like every other little girl. Which is why her mother, Janine, reluctantly agreed to let her go on the weekend camping trip with her Brownie troop. But when Janine arrives to pick up Sophie after the trip, her daughter is not with the others. Somehow, along the forested route from West Virginia, Sophie has disappeared. Sophie is no ordinary eight-year-old. She suffers from a rare disease.

Deputy Clay Starke has come home to Wrangler's Corner for one reason only: to solve his brother's murder. Denied the official resources that will help him unravel the case, Clay is forced to rely on his wits - and on the help of beautiful social worker Sabrina Mayfield. But Sabrina's willingness to assist him soon draws her into the troubles of Clay's past. Now both Clay and Sabrina have targets on their backs, and Clay is at risk of losing not only his heart, but also his life. Will finding his brother's killer cost him the woman he has come to love?

Marissa Rooney stands in her daughter's empty dorm room, a half-used vial of insulin clutched in her trembling hand. Brooke has been missing for days. Her roommate hasn't seen her since that night in the bar. And if Marissa has Brooke's insulin, it means that Brooke does not. But Marissa isn't alone in her terror. A phantom from her past is lurking in the shadows, waiting in the night, and holding her family captive...in the dark.

After Special Agent Adam Whitfield’s ex-wife is nearly killed when she stops an abduction, the serial killer that Adam’s been hunting turns his focus on Charlotte Murray for getting in his way. Now, as the Night Stalker closes in, Adam has two missions: bring the murderer to justice and save Charlotte - because failure isn’t an option.

When district attorney Tory Carson returns home after a long day in court prosecuting a gang leader, she finds her house trashed. Concerned that the vandalism is connected to the trial, the local police chief calls the Texas Rangers...and her former love, Cade Morgan, responds. Tory's history with Cade - and the secret they share - makes her reluctant to let him back into her life. But Tory doesn't want to choose between bringing down a gang leader and protecting her teenage daughter.

With an agoraphobic mother and a barely-there father, Sang abhors the isolation keeping her in the shadows. The only thing Sang craves is a fresh start and to be accepted as ordinary by her peers, because for her being different meant being cast out alone. When her family moves to a new school district, Sang infiltrates a group of boys nearly perfect in every way.

Fifteen years ago, Blair's best friend Molly was murdered. Fifteen years ago, Adrian Jones went to prison for it. Fifteen years ago, the real killer got away with it. And now, Blair's terminally ill sister has made a devastating deathbed confession, which could prove that the wrong man has been imprisoned for years - and that Molly's killer is still out there. Blair's determined to find him, but the story behind Molly's death is more twisted than she could imagine. If she isn't careful enough, the killer will ensnare her and bury Blair with his secret.