Leah has spent her formative years isolated on a remote island with her family. But their quiet existence, far from the devastated mainland, is cracking. Father, sensing a coming threat, demands that a wall be built. As the stone blockade rises, Father’s paranoia escalates. So does Leah’s dread that the violence the family left behind has found its way to their sanctuary. 

It was supposed to be the happiest day of her life. Zoe was sitting in her hotel room, in her perfect white dress, looking forward to the moment when she would make kind, handsome Toby her husband. Then, there was a blank. They said she must have fainted, overcome with emotion. But nothing felt quite right afterward. Did something happen in that missing time? 

Stephanie and Patrick are adjusting to life with their colicky twin girls. The babies are a handful, but even as Stephanie struggles with the disorientation of sleep deprivation, there's one thing she's sure of: She has all she ever wanted. Then Erica, a woman from Patrick's past, appears and makes a disturbing accusation. Patrick had always said his first wife's death was an accident, but now Erica claims it was murder. Patrick insists he's innocent, that this is nothing but a blackmail attempt. Still, Erica knows things about Patrick.

Selena Murphy is commuting home from her job in the city when the train stalls on the tracks. She strikes up a conversation with a beautiful stranger in the next seat, who introduces herself as Martha. The woman confesses that she’s been stuck in an affair with her boss, and Selena, in turn, confesses that she suspects her husband is sleeping with the nanny. When the train arrives at Selena’s station, the two women part ways, presumably never to meet again. But days later, Selena’s nanny disappears. 

On an island off the coast of Ireland, guests gather to celebrate two people joining their lives together as one. The groom: handsome and charming, a rising television star. The bride: smart and ambitious, a magazine publisher. It’s a wedding for a magazine or for a celebrity: the designer dress, the remote location, the luxe party favors, the boutique whiskey. The cell phone service may be spotty and the waves may be rough, but every detail has been expertly planned and will be expertly executed.

January 1992. A baby girl is left alone for a moment. Long enough for a mother to dash into a shop. Long enough for a child to be taken. Thirteen years later, solicitor Robert Knight's stepdaughter wins a place at a prestigious London school for the gifted. The only puzzle is his wife Erin's reaction. Why is she so reluctant to let Ruby go? Doesn't she want what's best for her? As Erin grows more evasive, Robert can't help but feel she has something to hide and when he stumbles on mysterious letters, he discovers she has been lying to him. 

Cassie stares at the woman on her doorstep in disbelief. Just months after losing her only son, Josh, here stands a stranger claiming to be Josh’s girlfriend. But it’s not only the woman Cassie is shocked by, it’s the baby nestled in Kim’s arms. Cassie’s grandchild. I know what you did. As Cassie tries to do what’s best for baby Samuel, she starts to receive threatening messages from someone from her past - someone Cassie has been hiding from for a long time.

Margot Lee’s mother, Mina, isn’t returning her calls. It’s a mystery to 26-year-old Margot, until she visits her childhood apartment in Koreatown, LA, and finds that her mother has suspiciously died. The discovery sends Margot digging through the past, unraveling the tenuous invisible strings that held together her single mother’s life as a Korean War orphan and an undocumented immigrant, only to realize how little she truly knew about her mother.

Ten years ago, a boy named Samuel Murray went missing from the quiet village of Buckthorpe and was never seen again. Rosie Sharpe cried over her missing friend for weeks after. But her little sister, Heather, knows that Rosie’s tears hide the truth. Because the night Samuel was last seen, Heather watched her older sister climbing back through the window of their childhood bedroom. Her jacket torn, her eyes wild, and her body trembling with fear. Heather never told anyone what she saw, but secrets can’t stay buried forever....

On a cool June morning, Isa Wilde, a resident of the seemingly idyllic coastal village of Salten, is walking her dog along a tidal estuary. Before she can stop him, Isa's dog charges into the water to retrieve what first appears to be a wayward stick - and to her horror, Isa discovers it's not a stick at all...but a human bone. As her three best friends from childhood converge in Salten to comfort a seriously shaken-up Isa, terrifying discoveries are made, and their collective history slowly unravels.  

Dr. Margo Dunlop is at a crossroads. Her adoptive mom just passed away, and Margo misses her so much she can't begin to empty the house - or, it seems, get her brother on the phone. Not to mention she's newly single, secretly pregnant, and worried about her best friend's dangerous relationship. In an effort to cheer herself up, she goes in search of her birth mother. Instead she finds Nikki, her mother's sister. Aunt Nikki isn't what Margo expects, and she brings upsetting news: Margo's mother is dead. Worse, she was murdered years ago, and her killer is still at large.

Private Detective Cormoran Strike is visiting his family in Cornwall when he is approached by a woman asking for help finding her mother, Margot Bamborough - who went missing in mysterious circumstances in 1974. Strike has never tackled a cold case before, let alone one 40 years old. But despite the slim chance of success, he is intrigued and takes it on; adding to the long list of cases that he and his partner in the agency, Robin Ellacott, are currently working on.

When Rowan stumbles across an ad for a live-in nanny, she’s looking for something else completely. But it seems like too good an opportunity to miss - with a staggeringly generous salary. And when she arrives at Heatherbrae House, she is smitten - by the luxurious "smart" house fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What Rowan doesn’t know is that she’s stepping into a nightmare - one that will end with a child dead and Rowan in prison awaiting trial for murder.

Leonora (Lee to some, Nora to others) is a reclusive writer, but when an old friend unexpectedly invites her to a weekend away in an eerie glass house, she reluctantly agrees to make the trip. But a haunting realization creeps in to the party: they are not alone in the woods. Forty-eight hours later, Nora wakes up in a hospital bed with the knowledge that someone is dead. Wondering not “what happened?” but “what have I done?” she tries to piece together the events of the past weekend.

It's 1996. Detective Sergeant Tom Thorne is a haunted man. Haunted by the moment he ignored his instinct about a suspect, by the horrific crime that followed and by the memories that come day and night, in sunshine and shadow. So when seven-year-old Kieron Coyne goes missing while playing in the woods with his best friend, Thorne vows he will not make the same mistake again. Cannot. The solitary witness. The strange neighbour. The friendly teacher. All are in Thorne's sights. This case will be the making of him...or the breaking.