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.

Carla Andrews and Lorraine West are work colleagues and best friends. They socialise together, they work in the same bookmakers and they support each other as only best friends can. Then they are murdered together. When DI Tom Fowler is handed the case, he discovers a journal that Carla has left and must unpick the secrets Lorraine has kept hidden. Soon Carla’s and Lorraine’s husbands become the main suspects. It’s usually the spouse who is responsible, isn’t it? The investigation progresses until Isaac West, Lorraine’s 16-year-old son, disappears.

After working as a hospital nurse in Dubai and London, Jodie settles down in Kent. With her job at a quiet nursing home and her loving new relationship, it seems that she's finally put her troubled past behind her. But someone from her childhood has been following her for years. And he's decided it's time to makes his presence felt. When Jodie receives a distressing call from her manager, her life takes an unexpected turn. Suddenly she's suspended and under investigation.

Juliet only wanted to see her childhood home one more time–to look at it from the street. She never intended to meet the new owners, let alone talk her way into a position as their new live-in nanny. But it's too late now to tell the truth about who she really is. Six-year-old Kitty has progressive mutism and cannot speak. Nobody knows why she keeps making silent phone calls to the police. Juliet makes it her mission to find out. As Juliet settles into the house, nostalgia for her childhood gives way to uneasiness, as troubling memories surface.

Two years ago, Beth Farrow turned her back on her three-year-old niece, Jenna, for just a few seconds. She disappeared without a trace. How does a three-year-old go missing from a crowded summer fete without anyone noticing? When Beth leaves the country to try and escape her guilt, someone sends her a photograph from an anonymous number. It's a photograph of Jenna. She's older, but Beth is sure it's her niece. She is determined to do what the police cannot: Find Jenna and bring her home. But someone isn't pleased when Beth returns.