Thirty-eight-year-old Rebecca Barlow drops her four-year-old son off at her parents' house, promising to return by five. Five comes and goes. Then six. Then seven. Worried, Rebecca's parents try calling. She doesn't answer, and her friends haven't heard from her either. It seems no one has. As concern mounts, Rebecca's father drives to the lake house where she's been staying. Rebecca is nowhere in sight. The following morning brings a grisly discovery when Rebecca's body is found floating in the lake.

Fed up with her lazy, unruly neighbor, Mary Pritchard sprints across the street, determined to give Darryl a piece of her mind. She arrives to find he's been shot, the bullet piercing the center of his forehead. He's been executed, and that's not all. A mysterious woman is sprawled out on the floor in Darryl's hallway. She's dead too. Who is the woman? Why is she there? And why have they both been murdered?

For the past two years, former detective Georgiana "Gigi" Germaine has been living off the grid, until today, when she hears some disturbing news that shakes her. Georgiana's brother-in-law has been murdered, her seven-year-old niece kidnapped. As the hours waste away, Georgiana races back to a town she left behind, and a former life she's still not ready to face.

Something unusual is happening to Quinn Montgomery. Trapped inside her unconscious mind, the sound of her father's soothing voice seeps through, and the past 24 hours come flooding back. She wakes to find herself in the hospital. Her childhood best friend Evie is dead. But not just dead, murdered, and Evie's four-year-old son witnessed it all. Traumatized over what he saw, he's not talking. And when Evie's cold-blooded killer goes into hiding, Quinn isn't only out for justice, she's out for revenge.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

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”.

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 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 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 plunges into the investigation.

The Overland Trail, 1853: Naomi May never expected to be widowed at 20. Eager to leave her grief behind, she sets off with her family for a life out West. On the trail, she forms an instant connection with John Lowry, a half-Pawnee man straddling two worlds and a stranger in both. But life in a wagon train is fraught with hardship, fear, and death. Even as John and Naomi are drawn to each other, the trials of the journey and their disparate pasts work to keep them apart.

As a sniper with the elite Massachusetts State Police SWAT Team, Bobby Dodge saved a woman and her young son by shooting her armed husband. But vicious rumors begin to circulate the next morning when Bobby loses his gun and his privileges. It turns out the dead man was the son of a prominent Boston judge and had accused his wife of poisoning their son.

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.

Thomas Austin was once a prominent NYPD detective, known for locking up a psychopathic serial killer dubbed "The Holiday Baby Butcher". Now retired in a small beach town in the Pacific Northwest, Austin runs a little café, trying to overcome the loss of his wife, a DA who was gunned down only one year ago.

Parker DuPont is a family man, with a wife, three children, and sister. As happens to many men Parker’s age, he faces the mid-life thing, and decides he wants to hang his own shingle, rather than spend the next 20-plus years as a St. Petersburg police detective. Private investigator sounds very appealing, and so off he goes into the private world to become his own boss. Welcome to his world.

Adam and Sophie Warner and their three-year-old daughter are vacationing in Washington State’s Hood Canal for Memorial Day weekend. It’s the perfect getaway to unplug—and to calm an uneasy marriage. But on Adam’s first day out on the water, he sees Sophie abducted by a stranger. A hundred yards from shore, Adam can’t save her. And Sophie disappears.