Profiler Sarah Armstrong knows what it's like to be in a sticky situation. As a single mother and one of the few female Rangers in Texas history, she has had to work twice as hard to rank among the best cops in the Lone Star State. But when mega-wealthy businessman Edward Lucas III is found murdered along with his mistress, their bodies posed in grotesque ways, Sara quickly senses that this will be the deadliest case of her career. While others focus the investigation on Lucas's estranged wife, Sarah disagrees.

When she was just 12 years old, Mackenzie Price came home to find her father bleeding to death on the kitchen floor. She will never forget that night, nor what her mother asked her to do.... Twenty years later, Detective "Mack" Price is back in Lakemore, despite vowing never to return. Determined to atone for the sins of the past, she is unstoppable in her quest for justice. 

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.

When 12-year-old Isabella Farner disappears, Agent Tori Hunter races to the scene. Witnesses—including her partner’s son, who was biking home with Isabella—saw a man throw her into the back of his blue van and speed away. Terrified that a child she loves like her own might be next, Tori knows every second counts in the hunt for the missing girl. Isabella’s distraught parents insist no one would want to harm their perfect family. But soon a photo of Isabella looking terrified is discovered, holding a copy of today’s newspaper. 

When Detective Casey White discovers the body of a beautiful teenage girl in a white nightgown near the shoreline in North Carolina’s Outer Banks, a familiar fear floods through her. Could this be Hannah, her sweet, blue-eyed daughter snatched from home 14 years ago? But it only takes one look to confirm that the girl with dark bruising around her throat is another family’s tragedy. Putting her own grief aside, Casey digs into unsolved missing child cases in the area. The victim is Cheryl Parry, one of two little girls taken during a family beach vacation nine years ago. 

When a body is found stuffed into a barrel at a garbage dump, covered in long red lacerations, Detective Jenna Alton and her new deputy, David Kane, rush to the scene. Nothing ever happens in the small American town of Black Rock Falls, so Jenna believes the victim must be one of two recent missing persons, and she fears for the life of the other. Both were strangers to the town, but there's nothing else to link them. Jenna knows someone must have seen something, but no one's talking.

It’s been five years since Detective Amanda Steele’s life was derailed by the tragic death of her young daughter. The small community of Dumfries, Virginia, may have moved on, but Amanda cannot. When the man who killed Lindsey is found murdered, she can’t keep away from the case. 

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.

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”. 

Detective Kay Sharp vowed she’d never return to her childhood home. But now Kay’s back, and only she can solve the crime that has rocked the tight-knit community of Mount Chester to its core. A dead woman has been found by Silent Lake under the dew-covered fall leaves. Kay knows the missing-person investigation could turn into a murder case at any second. But as she hunts for the culprit, her own past closes in on her. Can she find the killer before it’s too late? And will the secret she thought she’d buried stay that way?  

When Samantha Claymore doesn’t return home after an afternoon bicycle ride on Martha’s Vineyard, Detective Abby Pearce acts immediately. She knows from experience how quickly a lost girl can become a tragedy. Back on the island for the first time since she ran away as a teenager, Abby hopes solving Samantha’s case will make up for her past mistakes....  

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.

As Agent Nadine Finch rushes to investigate the murder of newlywed Nikki Darnell in Ocala National Forest, Florida, fear floods her body. She swore she’d never set foot there again, not since the case 15 years ago which tore her life apart. But taking in the triangular cuts scarring Nikki’s perfect pale skin, she knows she must put her own traumatic past aside to find justice for Nikki and her inconsolable husband.

Lucy Kendall doesn't believe she's a serial killer. She simply eradicates the worst of society and brings justice to the innocent - the children she failed to protect during her decade in Child Protective Services.

Sheriff Jericho Flynn's life in the Outer Banks of North Carolina is shattered following the mysterious death of his wife. A broken man, Jericho is forced to emerge from the depths of his despair when his only son is suddenly accused of an unspeakable crime. Murder. With his son shrouded beneath a cloud of suspicion, Jericho finds himself deeply immersed in the investigation and connects the murder with the recent disappearance of a child.