Dr. Samantha Willerby, a specialist in post-traumatic stress, has never seen anything like this before. Following a fire on the London Underground, three survivors seek her help, but although unmistakably traumatized, their stories don’t match the facts. Are they "faking it"? Sam’s confusion turns to horror when one by one, instead of recovering, they are driven to suicide. When her lover, Conrad, begins to suffer the same terrifying flashbacks, Sam is desperate to find out what’s causing them. Then a mysterious and chilling conspiracy begins to unravel....

Headstrong journalist Anna Rothman knows what suicide looks like - her own husband killed himself five years ago. When Elly Swift, an agitated passenger beside her on a train, leaves a locket in Anna's bag before jumping onto the tracks, Anna starts asking questions. But everything points to suicide and the police close the case. However, Anna believes that Elly's fears for Toby, her young nephew who was snatched from St. Stephen's church six months ago, fail to explain the true reason behind Elly's distress.

It all begins with a simple invitation. For five authors, it’s meant to be the start of a restful week, filled with free food, drinks, and like-minded company. But shortly after their arrival, things take an unsettling turn. Broken property, missing items, and strange noises are just some of the odd occurrences that have each member questioning their companions. As suspicions mount, the authors are pitted against each other.

When happily married Grace comes home early one night and catches her husband, Dominic, with another woman in the cabin at the bottom of their garden, she is shocked, angry, and most of all, hell-bent on revenge. That’s why she acts quickly, locking the pair in the cabin while she decides what she wants to do to them.

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.

How far would you go to protect your family? Single dad Ben is doing his best to raise his children, with the help of his devoted mother, Judi. And then Ben meets Amber. Everyone thinks this is a perfect match for Ben, but Judi isn't so sure.... There's just something about Amber that doesn't add up. Ben can't see why his mother dislikes his new girlfriend. And Amber doesn't want Judi anywhere near her new family. Amber just wants Ben and the children.

Louise is a single mom, a secretary, stuck in a modern-day rut. On a rare night out, she meets a man in a bar, and sparks fly. Though he leaves after they kiss, she's thrilled she finally connected with someone. When Louise arrives at work on Monday, she meets her new boss, David. The man from the bar. The very married man from the bar...who says the kiss was a terrible mistake but who still can't keep his eyes off Louise. And then Louise bumps into Adele, who’s new to town and in need of a friend. But she also just happens to be married to David.

"Are you my mummy?" Tessa Markham returns home to find a child in her kitchen. He thinks she’s his mother. But Tessa doesn’t have any children. Not anymore. She doesn’t know who the little boy is or how he got there. After contacting the police, Tessa is suspected of taking the mystery child. Her whole life is turned upside down. And then her husband reveals a secret of his own. Tessa isn’t sure what to believe or who to trust. Because someone is lying. To find out who, she must confront her painful past. But is the truth more dangerous than Tessa realises?

Newly married Natasha has the perfect house, a loving husband, and a beautiful little girl called Emily. She’d have it all if it wasn’t for Jen, her husband’s ex-wife who just won’t leave them alone. Then Natasha returns home one day to find her husband and Emily gone without trace. Desperate to get her daughter back, Natasha will do anything even if it means accepting an offer of help from Jen.

When Glasgow journalist Shona McGilvery moves with her partner Mikey and their baby to an idyllic cottage in rural Scotland, they believe that all that lies ahead of them is happiness. But with Mikey working offshore, the frightening isolation of the Aberdeenshire countryside begins to drive her insane.... That is, until she is rescued by a new friendship with the enchanting Valentina. She has the perfect home, the perfect man, and a charismatic new best friend - or does she? As her fairytale life begins to unravel, the deep dark wood becomes the least of her fears....

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.

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.

Rachel’s childhood is a mess of fragmented memories and her adult life is no less chaotic. Her mother and daughter are her only concrete links to the past and now they are slipping through her fingers. Fuelled by the fear of losing them both, she delves into her mother’s past, fast becoming entangled in her own tragic history. With eerie friend requests filling Rachel’s phone and shocking flashbacks filling her mind, she heads to County Sligo to discover her past – but is there a killer closer than she thinks?

In 1964, Maggie wakes to find herself in a mental asylum, with no idea who she is or how she got there. Remnants of memories swirl in her mind - a familiar song, a storm, a moment of violence. Slowly, she begins to piece together the past and the events which brought her to this point.

It’s hard meeting your ex after so much time apart. You remember the tears and accusations, the desperate look on his face as he punched the wall, but you try not to show it. You smile politely, even while your heart beats faster. You watch as he looks down into the stroller, at the beautiful blond-haired, blue-eyed baby kicking his little legs in the sunshine, whose innocent smile lights up your world. You see his face change. You know what he’s thinking. The next day he calls. His voice is shaking. He wants the truth. Is it his child?