When the eight-year-old daughter of an Oxford College Master vanishes in the middle of the night, police turn to the Scottish nanny, Dee, for answers. As Dee looks back over her time in the Master's Lodging - an eerie and ancient house - a picture of a high achieving but dysfunctional family emerges: Nick, the fiercely intelligent and powerful father; his beautiful Danish wife Mariah, pregnant with their child; and the lost little girl, Felicity, almost mute, seeing ghosts, grieving her dead mother. 

The loss of her mother has left Kali McKenzie with too many unanswered questions. But while clearing out Elena's art studio, she finds a drawer packed with postcards, each bearing an identical one-line message from a Canadian gallery owner called Susannah Gillespie: thinking of you. Who is this woman and what does she know about Elena's hidden past? Desperate to find out, Kali travels with her toddler, Finn, to Susannah's isolated home on a remote British Columbian island, a place of killer whales and storms.

Sometimes a lie seems kinder than the truth...but what happens when that lie destroys everything you love? When Tess is sent to photograph Greg, a high-profile paediatric heart surgeon, she sees something troubled in his face and feels instantly drawn to him. Their relationship quickly deepens, but then Tess, single mother to nine-year-old Joe, falls pregnant, and Greg is offered the job of a lifetime back in his hometown of Boston.

Ailsa Tilson moves with her husband and children to Trinity Fields in search of the new. New project - a house to renovate. New people - no links to the past. New friends - especially her next-door neighbour, the lonely Verity, who needs her help. Verity has lived in Trinity Fields all her life. She's always resisted change. Her home and belongings are a shield, a defence to keep the outside world at bay. But something about the Tilsons piques her interest. Just as her ivy creeps through the shared garden fence, so Verity will work her way into the Tilson family....

Ava only left her daughter in the pushchair for five minutes. The buckle was fastened, and she was sure it was safe. But when she came downstairs, the door was open and Abi was gone - she walked down the road, past the Lovegoods' house, and was never seen again. A year later, the Lovegoods throw a housewarming party, showing off the results of their renovation. Ava doesn’t want to go. She can’t bear to look down that end of the road, to see the place where Abi vanished, and she doesn’t want to spend time with people who don’t share her grief. 

When Becca’s first love shows up on her social media feed, she can’t help but smile fondly. Once upon a time Connor was the love of her life, and though it was over 10 years ago, he’s always held a place in her heart. Then he sends her a message. He sounds happy - still kind and funny, still living across the world in Australia. But he wants to know everything about her life now. How can Becca tell him the truth? About her workaholic husband, her stressful job, and the challenges of caring for her elderly father and her three-year-old daughter, Mia?

Gloria is used to solitude. Widowed and still grieving her late husband, she spends her days with only her faded photographs for company. But when a young woman is murdered nearby, Gloria grows anxious. Living alone in old farmhouse, surrounded by empty woods, there’s no one for miles who would hear her scream. When freelance travel writer Beth arrives with her trailer to live on Gloria’s land, Gloria is relieved not to be alone. The police have no suspects in the murder, and fearless Beth makes Gloria feel safe. 

Pete Riley is a stay-at-home dad; his partner, Maddie, works in advertising. After Pete drops two-year-old Theo off at nursery one morning, he's politely accosted by a man who looks just like Theo. The man, Miles Lambert, breaks the devastating news that Theo is in fact not Pete's son, but his - the two babies got mixed up at hospital and Miles and his wife, Lucy, now have the Rileys' son at home. They've already carried out DNA testing to prove it.

Liz and Jess have been friends for 10 years, ever since they both started a family. But how well do they really know each other? When Jess arrives at hospital with a story that doesn’t add up, Liz is the doctor on call. Jess has devoted her life to family and home. But she is holding so many secrets. As the truth begins to emerge, Liz is forced to question everything she thought she knew: about Jess and about herself. When something feels so personal, how do you stay professional?

In Provence, under a sweltering sun, Sylvie returns to the crumbling family home of La Reverie. In her hand is the letter that summoned her, and by her side is Emma, her youngest daughter. Yet every corner of the house is haunted by the spectre of Elodie, her first child. Beautiful, manipulative Elodie, whose long-ago death the villagers still whisper about. Sylvie has tried to put the past behind her. But like the spreading forest fires, memories of Elodie seem to be creeping ever closer. Because there's a secret Sylvie has concealed about what happened to Elodie.

Eva has made a catastrophic mistake. Her career is in tatters. By day, she's tormented by tremors, nosebleeds, and blackouts. By night, her violent dreams leave her shaken. They should. They hold a devastating secret. The truth is more terrifying than her nightmares. Confronting it demands an unthinkable choice. Eva would kill for a baby.

Snow is falling in the exclusive alpine ski resort of Saint Antoine, as the shareholders and directors of Snoop, the hottest new music app, gather for a make-or-break corporate retreat to decide the future of the company. At stake is a billion-dollar dot-com buyout that could make them all millionaires or leave some of them out in the cold. When an avalanche cuts the chalet off from help and one board member goes missing in the snow, the group is forced to ask - would someone resort to murder to get what they want?

When Hannah is invited into the First-Class carriage of the London to Penzance train by Jinni, she walks into a spider's web. Now a poor, young single mother, Hannah once escaped Cornwall to go to university. But once she married Jake and had his child, her dreams were crushed into bitter disillusion. Her husband has left her for Eve, rich and childless, and Hannah has been surviving by becoming a cleaner in London. Jinni is equally angry and bitter, and in the course of their journey the two women agree to murder each other's husbands.

I return home to our beautiful house on a chilly winter evening expecting to find my handsome husband Richard waiting for me by the fire. We’re still so in love, and he always takes care of me. He usually comes straight back from work. But tonight, our antique clock ticks on through the dark evening, with no sign of him. Then a knock at the door shatters my perfect life. A 12-year-old-girl, Alice from the village, has been found unconscious in the field behind our house. They say she was last seen getting into Richard’s car.

What do you do when you can't run and you can't hide? Lauren's daughter, Zara, witnessed a terrible crime. But speaking up comes with a price, and when Zara's identity is revealed online, it puts a target on her back. The only choice is to disappear. To keep Zara safe, Lauren will give up everything and everyone she loves, even her husband. There will be no goodbyes. Their pasts will be rewritten. New names, new home, new lives. The rules are strict for a reason. They are being hunted. One mistake - a text, an Instagram like - could bring their old lives crashing into the new.