DI James Walker is ready for a quiet family Christmas in the sleepy village of Kirkby Abbey. But when he opens an early Christmas present left on his doorstep, he soon realises it is no gift. Inside is a gruesome surprise and a promise - 12 days, 12 murders. Not long after, the first body is found, half frozen in the snow. As the blizzards descend, panic spreads through the remote Cumbrian village - there’s a killer amongst them, and with 11 more victims to go, anyone could be next.... Can James stop the killer before they strike again?

Golden couple Annie and David Crayce have it all. A loving marriage, three beautiful children and a thriving family business. Life couldn’t be better. Until the unthinkable happens. Suddenly, David is the prime suspect of a murder committed 20 years ago. As the police investigate the cold case, so does Annie. But it all comes down to a few lost hours she can’t solve. Now Annie must prove the man she loves is innocent.

Two weeks before her wedding, a stranger stops Amy in the street and warns her she’s in danger. Then that night, Matt, her fiancé, doesn’t come home. Desperate, Amy calls the police - but when Matt fails to emerge, she’s forced to call off her wedding day. Then another man is reported missing, by a woman called Fiona - a man meeting Matt’s description, who was about to leave his fiancée for her. He was supposed to be moving in with her - but instead, he’s vanished. 

A group of strangers arrive on a beautiful but remote island, ready for the challenge of a lifetime: to live there for one year, without contact with the outside world. But 12 months later, on the day when the boat is due to return for them, no one arrives. Eight people stepped foot on the island. How many will make it off alive?

When Romilly says goodbye to her new baby daughter, abandoning her at the hospital hours after giving birth, no one can understand why she would leave - and where she has gone. In those first few hours, she had been the image of a doting mother and would have done anything to protect her baby. Something has clearly gone wrong. Could it be that Romilly is suffering from postpartum psychosis, just as her mother did? Or is something even worse at hand? A danger so grave that she would leave her longed-for daughter to escape it.

Beth has the perfect life. She has constructed it carefully over the last eighteen years. But one night she makes a choice that risks everything. When Kat sees an article about that night online, buried memories begin to surface. She and Beth were friends once. Things ended badly then, but now she has a chance to make things right. Kat introduces herself to Beth. Not as her old friend, but as a stranger. Beth has no idea Kat isn’t who she says she is. But then neither is Beth.

Grace has a perfect life. Then her husband replaces her with a younger, blonder version. Three years later, Grace’s sixteen-year-old daughter Tara is stabbed to death in a seedy hotel. Grace’s life stops. After a harrowing trial, Tara’s boyfriend is convicted of her murder. At least now it’s over—until someone breaks into Grace’s house and ransacks Tara’s belongings. Now the questions have only just begun. Grace thought she knew her daughter. But Tara had been keeping secrets from her. Very dark secrets.

In search of a new life, 16-year-old Adriana Clark’s family moves to the ancient ocean-battered Isle of Mull, far off the coast of Scotland. Then she goes missing. Faced with hostile locals and indifferent police, her desperate parents turn to private investigator Sadie Levesque. Sadie is the best at what she does. But when she finds Adriana’s body in a cliffside cave, a seaweed crown carefully arranged on her head, she knows she’s dealing with something she’s never encountered before.

My name is Lucy Townsend. I was born on Friday the 13th, and I was the 13th girl living in the big house. Unlucky for some. But I was the fortunate one. I escaped. The only one who made it out alive. And now, 20 years after that fateful night, the secrets of the past and what happened in that house are pulling me back. I might not be so lucky this time.

Ten-year-old Annie Warren hasn't made it home from school and with every passing hour, hopes of finding her alive are fading fast. Her parents, Cathy and Kit, are frantic with worry, fearing the worst. Could their daughter, the miracle child who came as a surprise to them both, have been abducted? The police are coordinating a massive search but seem totally clueless, while the Warrens' home is under siege from a news-hungry press pack crawling over themselves to cover the story.

Marissa Irvine arrives at 14 Tudor Grove, expecting to pick up her young son Milo from his first playdate with a boy at his new school. But the woman who answers the door isn't a mother she recognises. She isn't the nanny. She doesn't have Milo. And so begins every parent's worst nightmare. As news of the disappearance filters through the quiet Dublin suburb and an unexpected suspect is named, whispers start to spread about the women most closely connected to the shocking event. Because only one of them may have taken Milo - but they could all be blamed.

Callie was living in a ten-acre home in the stunning Adirondacks with her husband. She missed her son, who was away at college, but she was coping pretty well with her empty nest. Then, the nightmare began. Her husband Abel skidded off the road into an icy lake. His truck hit a tree and plunged into the frigid water below. Now, this once-vital 43-year-old carpenter lies in a coma, surrounded by bleeping machines and the hushed rumble of the ward at Pearl Medical Center in Vermont. The police say it was an accident, but the details remain murky.

Mark Burcham and his wife Amy live the perfect life: they have a happy marriage, a comfortable home in Los Angeles and a beautiful daughter, Tatum. But one night Amy fails to come home from a business trip to Boston, and her office have no record of a client on the east coast. Then Mark gets the worst news of all; Amy has been found dead. But nothing makes sense. Why was Amy still in town, when he’d waved her off at the airport a few days before? Who was the mysterious client she’d been meeting with for months? There’s only one thing Mark knows for certain: his wife was keeping secrets.

Nora Harmon has a lot to be thankful for: two great kids, a stable marriage, and now, a dream career. Software consultant Jane Bell wants Nora on her team. She’s offering a fantastic salary, flexible hours, and a chance to travel the world. It sounds too good to be true, but Jane won’t take no for an answer. Jane acts more like a friend than a boss, and Nora’s personal and professional boundaries begin to blur. Jane is smitten with Nora’s perfect family—particularly her daughter—and far too attentive to Nora’s husband. Nora can’t help but feel insecure and unsettled.

New Year’s Eve, 2023. When Hannah and her friends rent a luxury yacht in an Italian marina, they party in style under the stars until they pass out. The next morning, they are horrified to find they have been cut adrift into the open ocean, with no sight of land and no fuel in the engine. And that’s when the first person goes missing.