Dr. Leah Wright returned to her childhood home in rural Pennsylvania with her husband to find peace and quiet, start afresh, and raise her six-year-old daughter Emily. But when she gets home one dark winter night, clutching roses in her hand, she finds her daughter huddled under her bed and her husband’s blood all over the floor.... When Detective Luka Jericho is called to investigate, he’s shocked to learn that the killer left a witness behind - the victim’s young daughter. 

The body of a young girl lying face down in a swimming pool - white tennis shoes still on her feet, chestnut hair fanned out like a halo - is the last thing Detective Josie Quinn expects to find on an early morning visit to see her brother before class at Denton University. But when she recognizes the girl’s face as she drags her limp body from the water, there’s only one question racing through Josie’s mind: How does a champion swimmer accidentally drown? 

When 12-year-old Sophie Williams went on a Girl Scout summer camp, she never returned home. Three months later, her body is found inside her sleeping bag in the most frequented area of Cocoa Beach, and the town is outraged. The girl isn't just any child. She's the town's most beloved surf idol, and it was believed that she could be the next Kelly Slater. As another child, the son of a well-known senator is kidnapped, and the parents receive a disturbing video. FBI profiler Eva Rae Thomas, who has just returned to her hometown, divorced and out of a job, plunges into the investigation.

In a busy shopping center, a little girl clutches a teddy bear, clinging to it in the absence of her mother, Katrina. Hours later, Katrina’s body is discovered in an abandoned building. For Detective Kim Stone, it looks like a quick, functional murder. But Kim’s instincts tell her there’s more to this senseless murder than meets the eye. What was the motive for killing a young mother out shopping with her child? 

After multiple women go missing, Agent Melina Shepard of the Tennessee Bureau of Investigation makes the impulsive decision to go undercover as a prostitute. While working the street, she narrowly avoids becoming a serial killer’s latest victim; as much as it pains her to admit, she needs backup. Enter lone wolf FBI agent Jerrod Ramsey. Stonewalled by a lack of leads, he and Melina investigate a scene where a little girl has been found abandoned in a crashed vehicle.

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 hiking season in Black Rock Falls, and the small town in Montana is flooded with visitors. But when a hiker finds a human skull on a deserted trail in the woods that surround the town, Detective Jenna Alton is called in to investigate. With no missing persons reported, Jenna has no leads. Then her team makes a shocking discovery - the body of another hiker, a young man, tied to a tree and riddled with bullets. Could the two murders be linked? As more bodies are found, Jenna and her deputy David Kane know that they must venture deep into the forest to find and face the killer.

Hidden deep in the forest, schoolgirl Felicity Parker is found carefully laid out on a rock with nothing but a freshly picked bunch of flowers next to her lifeless form. Detective Jenna Alton is called in to investigate the gruesome discovery. With the body found just off a popular hiking route, Jenna believes the killer is a visitor to the town...until a second local girl is discovered.

When Ella Tate stumbles into Black Rock Falls, her exhausted and bloodied body is a terrifying sight, but not as frightening as the story she has to tell. Ambushed on their way into town when they stopped to help a man by the side of the road, Ella and her friend Sky ran when he pulled a knife on them. But only one of them got away.

Fifteen-year-old Lindy Rosen has been having nightmares for weeks, waking in a panic, screaming that there’s a man in her room watching her sleep. Her parents assumed it was her overactive imagination, but when one morning they find Lindy missing from her bedroom, they’re not so sure. Detective Jenna Alton is called in to investigate. Within hours of the schoolgirl going missing, the kidnapper reaches out to Jenna with a video of Lindy bound and tied to a chair, crying to be set free. And a simple message - you’ve got 24 hours to find her or I kill her.