On a beautiful summer night in a charming English suburb, a young woman and her boyfriend disappear after partying at the massive country estate of a new college friend. One year later, a writer moves into a cottage on the edge of the woods that border the same estate. Known locally as the Dark Place, the dense forest is the writer’s favorite place for long walks and it’s on one such walk that she stumbles upon a mysterious note that simply reads, “DIG HERE.”

Nell Sweeney has led an ordinary life. Every day, she walks to and from the hospital where she works as a nurse, believing that no harm can befall her. Until one day she is taken. Because someone out there has a secret. Someone out there has been watching Nell—and they’ve been watching others like her, too. Nell is the unlucky one—she was in the wrong place at the wrong time. And if she isn’t found soon, someone will make sure that she isn’t the last woman to be taken.

One year ago, Lucy’s sister, Nicki, left to meet friends at a pub in Dublin and never came home. The third Irish woman to vanish inexplicably in as many years, the agony of not knowing what happened that night has turned Lucy’s life into a waking nightmare. So, she’s going to take matters into her own hands. Angela works as a paper-pusher in the Missing Persons Unit, but wants nothing more than to be a fully fledged member of An Garda Síochána, the Irish police force. With the investigation into the missing women stalled, she begins pulling on a thread that could break the case wide open.

Molly Black has disappeared. She's been a bit flighty since her parents died (sure, hadn't she run off with a tree surgeon that time?) but this time, or so says her hastily written leaving note, she's gone for good. That's why the whole Black clan—from Granny perched on the printer all the way through to Killian on Zoom from Sydney—is huddled together in the back room of Uncle John's semi-D in the Dublin suburbs, arguing over what to do.

Meet the Tobin family. Joy - the mother: Unconscious in a hospital bed, Joy's latest act has thrown the family into turmoil. Frances - the middle child: Seemingly perfect wife and mother, Frances is having inappropriate dreams about an ex, and might be about to derail her whole life. Conor - the protector: Successful and famous, high-flyer Conor is walking a fine line between self-promotion and self-detonation. Sinead - the baby of the family: Bohemian rebel, trying to write the story she needs to tell, but despising herself for failing to do it.

Reclusive Sally Diamond is thrust into the media spotlight when she tries to incinerate her dead father, causing widespread outrage. Now she’s the center of attention, not only from hungry reporters and police detectives, but also a sinister voice from a past she does not remember. As she begins to discover the repressed memories of her horrific early childhood, Sally steps into the world for the first time, making new friends, big decisions, and learning that people don’t always mean what they say.

Early one morning on the shore of the Thames, DCI Samuel Owusu is called to the scene of a gruesome discovery. When Owusu sends the evidence for examination, he learns the bones are connected to a cold case that left three people dead on the kitchen floor in a Chelsea mansion thirty years ago. Rachel Rimmer has also received a shock—her husband, Michael, has been found dead in the cellar of his house in France. All signs point to an intruder, and the French police need her to come urgently to answer questions about Michael and his past that she very much doesn’t want to answer.

Five years ago, Erin Kennedy moved to New York following a family tragedy. She now lives happily with her detective husband in the scenic seaside town of Newport, Long Island. When Erin answers the door to Danny's police colleagues one morning, it's the start of an ordinary day. But behind her, Danny walks to the window of their 4th-floor apartment and jumps to his death.

When pregnant Saffron Cutler moves into 9 Skelton Place with boyfriend Tom and sets about renovations, the last thing she expects is builders uncovering human remains. The remains of two bodies, in fact.

It is a hot summer in rural Ireland. A child is taken by her father to live with relatives on a farm, not knowing when or if she will be brought home again. In the Kinsellas' house, she finds an affection and warmth she has not known and slowly, in their care, begins to blossom. But there is something unspoken in this new household—where everything is so well tended to—and this summer must soon come to an end.

Marissa Irvine arrives at 14 Tudor Grove, expecting to pick up her young son Milo from his first playdate with a boy at his new school. But the woman who answers the door isn't a mother she recognises. She isn't the nanny. She doesn't have Milo. And so begins every parent's worst nightmare. As news of the disappearance filters through the quiet Dublin suburb and an unexpected suspect is named, whispers start to spread about the women most closely connected to the shocking event. Because only one of them may have taken Milo - but they could all be blamed.

Marisa and Jake are a perfect couple. And Kate, their new lodger, is the perfect roommate—and not just because her rent payments will give them the income they need to start trying for the baby of their dreams. Except—no one is truly perfect. Sure, Kate doesn’t seem to care much about personal boundaries and can occasionally seem overly familiar with Jake. But Marisa doesn’t let it concern her, knowing that soon Kate will be gone, and it will just be her, Jake, and their future baby.

Carol is a divorced teacher living in a small town in Ireland, her only son now grown. A second chance at love brings her unexpected connection and belonging—and sparks a flurry of speculation. What does a woman like her see in a man like that? What happened to his wife who abandoned him and his children all those years ago? Carol and Declan know their relationship is the talk of the town, but the gossip only serves to bring the couple closer.

As the middle of five kids growing up in dire poverty, the odds were low on Katriona O'Sullivan making anything of her life. She became a mother at 15 and ended up homeless. Five rackety years followed - barely coping, drinking to escape - until Katriona, now living in her father's native Dublin, hit rock bottom. Poor is the extraordinary story - moving, funny, brave, and sometimes startling - of how Katriona turned her life around.

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.