April Clarke-Cliveden was the first person Hannah Jones met at Oxford. Vivacious, bright, occasionally vicious, and the ultimate It girl, she quickly pulled Hannah into her dazzling orbit. Together, they developed a group of devoted and inseparable friends—Will, Hugh, Ryan, and Emily—during their first term. By the end of the year, April was dead.

Leonora, known to some as Lee and others as Nora, is a reclusive crime writer, unwilling to leave her nest of an apartment unless it is absolutely necessary. When a friend she hasn't seen or spoken to in years unexpectedly invites Nora ( Lee) to a weekend away in an eerie glass house deep in the English countryside, she reluctantly agrees to make the trip. Forty-eight hours later, she wakes up in a hospital bed injured but alive, with the knowledge that someone is dead.

Adam adores Emily. Emily thinks Adam’s perfect, the man she thought she’d never meet. Emily chose Adam, but she didn’t choose his mother, Pammie. There’s nothing a mother wouldn’t do for her son, and now Emily is about to find out just how far Pammie will go to get what she wants: Emily gone forever.

Kirstie Rawlings is jolted awake by a child crying. Racing upstairs to check on her newborn, she is plunged into every parents’ worst nightmare. She hears an unknown voice in the baby monitor, saying: "Let’s take the child - and go." Is someone trying to steal her little girl? In the bedroom, her daughter is safe asleep in her cot. Is the voice coming from a nearby house? But there aren’t any other children living on her quiet country road....

Alex Dale is lost. Destructive habits have cost her a marriage and a journalism career. All she has left is her routine: a morning run until her body aches, then a few hours of forgettable work before the past grabs hold and drags her down. Every day is treading water, every night is drowning. Until Alex discovers Amy Stevenson. Amy Stevenson, who was just another girl from a nearby town until the day she was found unconscious after a merciless assault. Amy Stevenson, who has been in a coma for fifteen years, forgotten by the world.

Emma can’t sleep. It’s been like this since her big 4-0 started getting closer. Her mother stopped sleeping just before her own fortieth birthday. She went mad and did the unthinkable because of it. Is that what’s happening to Emma?

London 1993 - Gill is wary of love. Since the death of her partner, Corinne, she has put all her energy into building up her photography business, being a good and reliable friend, and avoiding relationships at all costs.

You lost your daughter. You will never forgive yourself. And now someone is determined to make you pay.... Seventeen years ago, something happened to Jess' daughter, Beth. The memory of it still makes her blood run cold. Jess has tried everything to make peace with that day, and the part she played in what happened. It was only a brief moment of desire...but she'll pay for it with a lifetime of guilt.

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.

She’ll never forget...I’ll never forgive. People always notice my daughter, Isobel. How could they not? Incredibly beautiful...until she speaks. An unsettling little-girl voice, exactly like a child’s, but from the mouth of a full-grown woman. Izzie might look grown up, but inside she’s trapped. Caught in the day it happened...the day that broke her from within. Our family fell apart that day, and we never could pick up the pieces....

When Jamie and Kirsty move into their first home together, they are full of optimism. The future, in which they plan to get married and start a family, is bright. The other residents of their building seem friendly too, including the Newtons, a married couple who welcome them to the building with open arms. But then strange things start to happen. Dead rats are left on their doorstep. They hear disturbing noises, and much worse, in the night.

When Ella wakes up in a hospital following a hit-and-run incident, she is scared and confused. Close to tears, her eyes fall on a get-well-soon card on the window sill, and the nurse reassures her that her loving husband will be back soon. But Ella has never been married. In fact, she has lived alone her whole adult life; working hard, rarely socializing, quietly harboring a terrible secret from her past.

For four years Jessica has never doubted that her sister Isabel’s death was an accident. But when Jessica’s young daughter seems to know long-forgotten details about her aunt’s past, Jessica can’t shake the feeling that there’s a more sinister truth behind the tragedy. As Jessica unearths disturbing revelations about her sister, and about the people she loved and trusted most, it becomes clear Isabel’s life was less than perfect and that Jessica’s might also be at risk.

Kate has spent 15 years bringing global injustice home: as a decorated war reporter, she's always in a place of conflict, writing about ordinary people in unimaginable situations. When her mother dies, Kate returns home from Syria for the funeral. But an incident with a young Syrian boy haunts her dreams, and when Kate sees a boy in the garden of the house next door - a house inhabited by an Iraqi refugee who claims her husband is away and she has no children - Kate becomes convinced that something is very wrong.

There are two sides to every secret. When her beloved father dies, Josie is devastated to uncover a secret life he has led with another family: another house, another woman, and a half sister, Valentina. Born in the same week, in the same hospital, they look so physically alike they could be mistaken for twins. But the similarities end there.... Josie is sweet and reserved, a counsellor with the perfect boyfriend and the perfect life. Valentina is damaged and reckless, and she always gets what she wants.