Fledgling actress Amelia Grant is at rock bottom when offered the opportunity of a lifetime: to star in a biopic about the world-renowned romance author Gloria Diamond, who used her own tragic love story as inspiration for her bestselling books. To prepare for the role, she’ll spend a week with Gloria at her secluded Washington estate. It’s a chance to get out of LA, away from her cheating ex-boyfriend, and to make her recently deceased mother proud.

Kathryn Walker enjoys an enviable life. Her husband is an accomplished doctor, her children are bright and successful, and she devotes herself to charity work that uplifts her Suburban Colorado community. Settling into a new year, her life couldn’t be better. . . Until April.

Everyone has secrets. YouTube baking sensation April Masterson knows the secret to the perfect gooey brownies. Or how to make key lime squares that will melt in your mouth. But if you keep watching her offline, you may find out some other secrets about April; secrets she’d rather you didn’t know - like where did her son go when he snuck out of the house? What was she doing with the local soccer coach behind fogged windows? And what’s buried in her backyard?

Grace Holloway keeps to herself. Since narrowly escaping death at the hands of the man who kidnapped her, she’s thrown herself into the small inn she runs in Rock Harbor, Maine. It’s quiet, quaint and, in the off-season, completely isolated—the perfect place for Grace to keep her own secrets. But Grace isn’t the only one with something to hide, and Rock Harbor isn’t just a sleepy vacation town. Someone is taking young women—girls who look an awful lot like Grace did when she was kidnapped so many years ago.

When secretary Colleen Roper becomes pregnant by her boss, Michael, he whisks her away to Ravenwood, his opulent estate. Abruptly thrust into a life of luxury she’s never known, Colleen finds the immense house suffused with the memory of Michael’s wife, Joanna, who left months ago and haunts her imagination. With rooms she’s prohibited from entering and a staff that greets her with hostility, there is little room for a new mistress of Ravenwood. It’s not long before bones are unearthed in the grove across the street and Michael falls under the suspicion of detectives.

While eleven-year-old Nora Davis was up in her bedroom doing homework, she had no idea her father was killing women in the basement. Until the day the police arrived at their front door. Decades later, Nora's father is spending his life behind bars, and Nora is a successful surgeon with a quiet, solitary existence. Nobody knows her father was a notorious serial killer. And she intends to keep it that way. `Then Nora discovers one of her young female patients has been murdered. In the same unique and horrific manner that her father used to kill his victims.

Everyone knows about the fight between Kathleen Walsh and her sister on the night she disappeared. For six months, no one has heard from Kathleen. Not her bullying husband, not her teenage son, and not her devastated sister Siobhan. But then Kathleen’s purse is found by a walker high up on the rocky Irish sea cliffs. The only thing inside is a torn scrap of paper with the words ‘HELP ME’. For Siobhan, it’s a chance to find her sister and fix the mistake she made six months ago. But not everyone in the tight-knit community welcomes Siobhan’s interest in the disappearance.

Paul’s just here to help, or so he claims—sent by a charity for vulnerable people to do odd jobs for elderly widow Gwen. But for Gwen’s daughter Connie, there’s just something about Paul that rings alarm bells from day one. He’s a little too kind, a little too involved…Worse still, Gwen seems to have fallen under his spell.

Medical student Amy Brenner is spending the night on a locked psychiatric ward. Amy has been dreading her evening working on Ward D, the hospital’s inpatient mental health unit. There are very specific reasons why she never wanted to do this required overnight rotation. Reasons nobody can ever find out. And as the hours tick by, Amy grows increasingly convinced something terrible is happening within these tightly secured walls.

Joe never wanted to come back to Arnhill. After the way things ended with his old gang - the betrayal, the suicide - and what happened when his sister went missing, the last thing he wanted to do was return to his hometown. But Joe doesn’t have a choice, not after a chilling email surfaces in his inbox: I know what happened to your sister. It’s happening again....

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.

Three years after they narrowly escaped the IRA’s worst punishment for informing, Northern Irish sisters Tessa and Marian Daly have built a new life in Dublin with their young children. Though Tessa is haunted by the abrupt and violent end to her old life, she does her best to immerse herself in the joys of Finn’s childhood and the rhythms of her new job at The Irish Observer. It’s a small island, though, and just as quickly as they disappeared, figures from the sisters’ past surface to drag them back into the conflict.

Anna loves Girls’ Night with her friends. With the kids safely in bed, it’s a chance for the women to let loose, enjoy some wine, and just laugh. But after one lively evening, Anna doesn’t arrive for school drop-off the next morning—or the next, or the next. Everyone, especially her husband and young son, is frantic with worry, but none more so than Grace, her childhood best friend. Grace is certain that someone is hiding the truth about Anna’s unexplained disappearance.

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.

Lilian and Rosie were once the closest of sisters, but the untimely death of their parents pulled them apart. Now, three years on, Rosie has reached out to her big sister, asking to meet. Driving on an icy road in the middle of a snowstorm, Rosie admits that she has something important to tell Lilian—a secret she describes as a matter of life and death. But before she has a chance to tell Lilian, a car careens into theirs, with devastating consequences. Lilian is convinced that someone deliberately rammed Rosie’s car. But why?