Harvard librarian Hester Thursby knows that even in the digital age, people still need help finding things. Using her research skills, Hester runs a side business tracking down the lost. Her new case is finding the handsome and charismatic Sam Blaine. And Sam has no desire to be found. 

Three college freshmen go missing from their rural hometown of Kelly's Falls while on Christmas break. Their cell phones, coats, and purses are left behind, but the girls have disappeared without a trace. As the days turn into weeks and the investigation grows cold, 23-year-old Buffalo police officer Shea O'Connor is called on to dig up leads undercover.

When hungover ex-lawyer and Key West bar owner Jack Girard groggily wakes up one morning, he’s greeted by a beautiful woman lying next to him, and a shrill, ringing telephone. Seeing the call is from his father, Claude “The Duke” Girard, Jack answers. Within seconds, he learns that his mother is dead in an apparent suicide, and Jack hits the road, heading back to his childhood home in Miami to face his tyrannical father.

Nick Anthony has retreated to the North Carolina mountains to mourn the untimely death of his wife. Once a popular professor, Nick just wants to be left alone with his grief. But when his estranged brother and sister-in-law die in a house fire, a stunned Nick learns he has a niece, Annalise, who is missing. At the scene of the crime, the men who set the fire have realized Annalise, and the information they are looking for, got away. Feverish and exhausted, she stumbles onto her uncle's porch.

Florence Winslow wakes up in hospital to the news that she has killed a man. On the way to visit her in-laws in rural Connecticut, a car comes out of an unseen junction and ploughs into her. The driver is killed, and Florence is lucky to be alive. Dylan Bodine, a young detective in the Torrington PD, feels she was extremely lucky. Too lucky? Something about the accident doesn’t add up. As he and his partner, experienced Senior Detective Carrie Fuller, whose last case this is, start to dig deeper, they realize that Florence isn’t just anyone. 

When DC crime scene analyst Dr. Ellie Carr is called to investigate the heartrending case of a missing baby, she's shocked to discover that the child's mother is her own cousin. Close during their impoverished childhoods, Ellie and Rebecca eventually drifted apart. Rebecca is now half of a Washington power couple, and she and her wealthy lobbyist husband, Hunter, have been living a charmed life in an opulent mansion—until their infant son is taken. At first antagonists, then allies, Ellie and Rachael race to find the baby alive and bring the kidnappers to justice.

Jennifer Barnes never expected the shocking news she received at a routine doctor’s appointment: she has a terminal brain tumor - and only six weeks left to live. While stunned by the diagnosis, the 48-year-old mother decides to spend what little time she has left with her family - her adult triplets and twin grandsons - close by her side. But when she realizes she was possibly poisoned a year earlier, she’s determined to discover who might have tried to get rid of her before she’s gone for good.

When DC Rose Gifford is called to investigate the death of a young woman suffocated in her bed, she can’t shake the feeling that there’s more to the crime than meets the eye. It looks like a straightforward crime scene - but the police can’t find the killer. Enter DS Moony - an eccentric older detective who runs UCIT, a secret department of the Met set up to solve supernatural crimes. Moony wants Rose to help her out - but Rose doesn’t believe in any of that. Does she? As the killer prepares to strike again, Rose must pick a side - before a second woman dies.

When Esmé Foster left the Boston suburbs to become a professional ballerina, the future shimmered with promise. Eleven years later, her career has been derailed by an injury, and Esmé knows it’s time to come back to Graybridge to help her brother care for their ailing father. But her return coincides with an unthinkable crime. Kara Cunningham, one of Esmé’s high school friends, is found dead in the woods behind the Fosters’ house. Esmé is shocked and grieving, but also uneasy.

Kaitlyn Best is stuck in a rut. So when she discovers she's pregnant after a one-night stand with Alex, her school crush, she throws caution to the wind and accepts his offer to make a new life together in the depths of the Lake District, far from her home...and her demons. But Alex is not what he seems. And when Kaitlyn's world begins to crumble before her eyes, she realises she barely knows the man she has agreed to spend the rest of her life with.

The Keane sisters grew up together at Raven House, a luxurious riverside home that their mother inherited. On the day of a party at the house, tension fills the air as Jess, Natalie and Teresa all fear the exposure of things they're desperate to hide. The beautiful evening is marred by tragedy, and a celebration turns into a nightmare when a young life is lost. It is a haunting reminder of a shocking event five years earlier. As guests eye their companions with suspicion, it's the family who have the most to hide. 

Then - In charge of her little sister at the beach, Claire allowed Eleanor to walk to the shop alone to buy an ice cream. Placing a coin into her hand, Claire told her to be quick, knowing how much she wanted the freedom. Eleanor never came back. Now - The time has finally come to sell the family farm and Claire is organizing a reunion of her dearest friends, the same friends who were present the day her sister went missing. When another girl disappears, long-buried secrets begin to surface.

It's August 1984, and paperboy Christopher Stewart has gone missing. Hours later, 12-year-old Sammy Cox hurries home from his own paper route, red-faced and out of breath, hiding a terrible secret. Crystal, Sammy's 17-year-old sister, is worried by the disappearance but she also sees an opportunity: the Stewart case has echoes of an earlier unsolved disappearance of another boy, one town over. Crystal senses the makings of an award-winning essay, one that could win her a scholarship - and a ticket out of their small Iowa town.

It’s Christmas in Sheffield. But not everyone is enjoying the festive season. A man has been found brutally murdered in his own home. The victim is Iain Kilbride, a once-famous TV star who has faded into obscurity. All signs point to a break-in, but why has nothing been taken? For DCI Matilda Darke, this is the perfect chance to prove her newly formed Murder Investigation Team are up to the task. Matilda suspects the clue to finding the killer lies in Iain’s past, but she’s about to discover how dark that past really is....

Esther is safe in the house. For 16 years, she and her mother have lived off the grid, protected from the dangers of the outside world. For 16 years, Esther has never seen another single soul. Until today. Today there’s a man outside the house. A man who knows Esther’s name, and who proves that her mother’s claims about the outside world are false. A man who is telling Esther that she’s been living a lie.