New Orleans: live music, endless drinks, brightly coloured attractions, the perfect place for a party. The bachelorette begins on a Friday night; all six women are excited for a chance to escape their everyday lives. But then friendly rivalries turn vicious, and a game of truth or dare turns deadly. By the end of the weekend one of them will be dead.

Imagine that your husband wrote you a letter, to be opened after his death. Imagine, too, that the letter contains his deepest, darkest secret - something with the potential to destroy not just the life you built together, but the lives of others as well. Imagine, then, that you stumble across that letter while your husband is still very much alive....

Self-made business owner Dale McGuire has always enjoyed two things in life: women and fast cars. Now in her mid-30s, she's restless and can't work out why. Then one day a 10-year-old boy turns up, claiming to be her son, and her simple ordered world turns upside down.

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.

Everyone has secrets, and Rachel Holloway is no exception. She’s worked hard to keep the past where it belongs: dead and buried. And so far, she’s been very successful. But now the small newspaper where she works wants to produce a podcast on a cold case: the disappearance 12 years ago of young Molly Forster. Some secrets should never see the light of day, and, as far as Rachel is concerned, whatever happened to little Molly is one of them.

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.

Milly's mother is a serial killer. Though Milly loves her mother, the only way to make her stop is to turn her in to the police. Milly is given a fresh start: a new identity, a home with an affluent foster family, and a spot at an exclusive private school. But Milly has secrets, and life at her new home becomes complicated. As her mother's trial looms, with Milly as the star witness, Milly starts to wonder how much of her is nature, how much of her is nurture, and whether she is doomed to turn out like her mother after all.

Marianne has a life others dream of. A beautiful townhouse on the best street in the neighbourhood. Three bright children who are her pride and joy. Sometimes her past still hurts: losing her mother early, growing up in foster care. But her husband, Simon, is always there. A successful surgeon, he’s the envy of every woman they’ve ever met. Flowers, gifts, trips to France: nothing is too good for his family. Then Simon says another woman’s name. The way he lingers on it, Caroline, gives Marianne a shudder of suspicion, but she knows it’s nothing - she can’t entertain this flash of paranoia.

Queenie Jenkins is a 25-year-old Jamaican British woman living in London, straddling two cultures and slotting neatly into neither. She works at a national newspaper, where she’s constantly forced to compare herself to her white middle-class peers. After a messy breakup from her White long-term boyfriend, Queenie seeks comfort in all the wrong places...including several hazardous men who do a good job of occupying brain space and a bad job of affirming self-worth.

Mia Hamilton lived the perfect life with her husband, university teacher Zach, and their two-year-old daughter. But everything changed when Zach committed suicide on the same night one of his students vanished. Five years later, just when Mia is beginning to heal, stranger Alison walks into her life, saying her husband didn't kill himself. Fragile, slight Alison leads Mia on a path into Zach's past, and Mia begins to think she never really knew her own husband.

Eighteen years ago Simone Porter's six-month-old daughter, Helena, was abducted. Simone and husband Matt have slowly rebuilt their shattered lives, but the pain at losing their child has never left them. Then a young woman, Grace, appears out of the blue and tells Simone she has information about her stolen baby. But just who is Grace - and can Simone trust her? When Grace herself disappears, Simone becomes embroiled in a desperate search for her baby and the woman who has vital clues about her whereabouts.

Karen, Eleanor, and Bea have been best friends since childhood. They know everything about each other’s lives, or at least they think they do. Now in their thirties, though their lives are beginning to diverge: Eleanor is a young wife and mother who is struggling; Bea is happy being single - or so she lets people think; and Karen is a psychiatrist who, despite the secrets in her past, considers herself the anchor of the group. But when she takes on a new patient with issues she just can’t quite put her finger on, she begins to realize she may have put her dearest friends in danger.

Libby has a nice life with a great job, a gorgeous husband, and a big home by the sea. But she's becoming more unsure of Jack's feelings for her - and if he is over the mysterious death of Eve, his first wife. When fate intervenes in their relationship, Libby decides to find out all she can about the man she hastily married and the seemingly perfect Eve. Eventually Libby stumbles across some startling truths about Eve. As she begins to unearth devastating secrets, Libby becomes frightened that she too will end up like the first woman Jack loved...

When Andrew Sumner meets beautiful, edgy Charlie, he is certain his run of bad luck has finally come to an end. But as the two of them embark on an intense affair, Andrew wonders if his grasp on reality is slipping. Items go missing in his apartment. Somebody appears to be following him. And as misfortune and tragedy strike his friends and loved ones, Andrew is forced to confront the frightening truth.…

Alice: beautiful, kind, manipulative, liar. Clare: intelligent, loyal, paranoid, jealous. Clare thinks Alice is a manipulative liar who is trying to steal her life. Alice thinks Clare is jealous of her long-lost return and place in their family. One of them is telling the truth. The other is a maniac. Two sisters. One truth.