Restauranteur Paddy Swann was the life of the party until the day a man pushed him in the path of an oncoming train, leaving his twenty-something daughter Ash and wife Nina devastated. Shortly after Paddy’s funeral, the two women receive a surprise in the mail: a note and package from Nick Radcliffe, an old friend of Paddy’s, and a nondescript lighter that once belonged to him decades ago. This unexpected gift draws Nick and Nina closer together—much to Ash’s dismay.

At loose ends after the devastating death of her mother, Una Richardson responds to an advertisement for a ladies’ companion, a position that leads her into the wealthy, secluded world of Mrs. Elspeth McKenzie. But Elspeth's home isn’t the comforting haven it seems. Kathryn, her cold and bitter daughter, resents Una's presence. More disturbing is evidence suggesting two girls lived here before her.

Following a traumatic event in London, Kirsty Woodhouse packs up her family and moves back to her native Wales. There she sets up her new home with her husband and two young daughters, and goes into business with her difficult mother managing a guesthouse in the Brecon Beacons. But when the guesthouse is ready to be occupied, Kirsty encounters the last person she ever expected to see: her estranged cousin Selena. It has been seventeen years since they last talked—when Selena tore everything apart between them. Why has she chosen now to walk back into Kirsty's life?

Whitney had some misgivings when she dropped her increasingly moody teenage daughter, Amelia, off at Lauren’s house. She’d never met the parents, and usually she’d go in, but Amelia clearly wasn’t going to let something so humiliating happen, so instead Whitney waved to her daughter before pulling away from the little house with the roses in front. But when she goes back the next day, an elderly couple answers the door - Amelia and Lauren aren’t there, and this couple swears they never were, that she’s at the wrong house.

Ivy is in trouble. A recent break-up has left her humiliated and raw, so when her best friend, Regan, offers her a month-long escape in the form of a trip to Australia, it feels like a lifeline, one that Ivy grabs with both hands. Regan is everything Ivy’s not. But Ivy is drawn to a calmer type of holiday, so when she spots an ad for crewmembers on a small yacht being sailed by a doting father and his daughter, the girls decide to take the job. Together with a handsome third crewmember, they set off north into tropical heat, but it's not long before doubts start to creep in.

After a night of fun back in 1992, Abby is responsible for a car crash that kills her beloved brother. It's a mistake she can never forgive, so she pushes away Liam, the man she loves most, knowing that he would eventually hate her for what she's done, the same way she hates herself. Twenty years later, Abby's husband, Nate, is also living with a deep sense of guilt. He was the driver who first came upon the scene of Abby's accident, the man who could not save her brother in time. It's this guilt, this regret, that binds them together. Then, Liam moves into the neighborhood....

Fran finds her standing by the swings. A little girl, Esther, no older than seven years old, by herself in the dead of night, her pretty but old-fashioned yellow dress covered in grass stains and her hair dishevelled. She says she's waiting for Father, and that strikes Fran as particularly odd. After Esther is reunited with her family, Fran can't stop thinking about this pious child whose imaginary friend is God. Fran's instincts tell her something is very wrong. Why does Esther keep running away from home, and how did she get that bruise on her leg?

One day, a woman turns up in a remote coastal village. She's bought a crumbling, long-vacant cottage and calls herself Charlie Miller. Charlie keeps to herself, reluctant to integrate with the locals. If they ever find out who she really is, and what she's done, she'll lose what little she has left. Charlie served two years in prison for providing a false alibi for a murderer. It was the mistake of a woman in love, a woman who couldn't believe her boyfriend was guilty - or lying to her. All she desperately wants now is a fresh start.

Everyone knows a couple like Jack and Grace. He has looks and wealth; she has charm and elegance. He's a dedicated attorney who has never lost a case; she is a flawless homemaker, a masterful gardener and cook, and dotes on her disabled younger sister. Though they are still newlyweds, they seem to have it all. You might not want to like them, but you do. You're hopelessly charmed by the ease and comfort of their home, by the graciousness of the dinner parties they throw. You’d like to get to know Grace better.

Lost. Missing. Murdered? How do you find a woman who didn’t exist? It's a case that has gripped a nation: A woman with a shocking secret is missing, presumed dead. And her two husbands are suspects in her murder. DCI Clements knows the dark side of human nature and that love can make people do treacherous things. You can’t presume anything when it comes to crimes of the heart. Until a body is found, this scandalous and sad case remains wide open.