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.

Years ago, bookseller and mystery aficionado Malcolm Kershaw compiled a list of the genre’s most unsolvable murders, those that are almost impossible to crack - which he titled "Eight Perfect Murders". But no one is more surprised than Mal, now the owner of the Old Devils Bookstore in Boston, when an FBI agent comes knocking on his door one snowy day in February. She’s looking for information about a series of unsolved murders that look eerily similar to the killings on Mal’s old list. And the FBI agent isn’t the only one interested in this bookseller.

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. 

You're not who you say you are. Neither is she. She thinks she knows me. She believes my marriage is falling apart at the seams, that my husband can barely look me in the eyes. She thinks I’m desperate for a baby, that my longing for a family keeps me up at night. As much as I hate to admit it, all of this is true. She thinks I listen to her advice, that I care about her opinion. That couldn’t be further from the truth. Because she has no idea who I am. She has no clue that I know everything. I know her secret. I know that she did the unforgivable. I know how many lives she ruined.

Me and Will. Will and Me. A perfect match. He said he would always be there for me, but it’s been a year since he drained his coffee, walked out the front door and vanished. Did he leave me? Or did something terrible happen? I’m scared someone finally found out about what happened on the drive home that night...I lie awake at night trawling the internet for rental properties, desperate for an escape. Until I see my husband’s gorgeous face smiling back at me from a photograph on the fireplace in someone else’s home, and something inside of me snaps....

Meet the half sister, and unravel the ties that blind us. The truth: Sisters Kate and Lauren meet for Sunday lunch every week without fail, especially after the loss of their father. The lie: But a knock at the door is about to change everything. A young woman by the name of Jess holds a note with the results of a DNA test, claiming to be their half sister. The unthinkable: As the fallout starts, it's clear that they are all hiding secrets, and perhaps this family isn't as perfect as it appears. 

When a man is found on a British beach, drifting in and out of consciousness, with no identification and unable to speak, interest in him is sparked immediately. From the hospital staff who find themselves inexplicably drawn to him, to international medical experts who are baffled by him, to the national press who call him Mr. Nobody, everyone wants answers. Who is this man? And what happened to him?

It was supposed to be the perfect getaway: Kate and her three best friends, spending a week with their families in a luxurious villa in the south of France. Through the decades they’ve stayed closer than ever, and seven days of drinking crisp French wine and laying out under the dazzling Mediterranean sun is the perfect celebration of their friendship. But soon after arriving, Kate discovers an incriminating text on her husband’s cell phone. A text revealing that he’s having an affair. And that the other woman is one of her best friends. But which one? 

Clare is ready for a break. It's been a tough year and now she wants to put her feet up. Arriving at the Italian villa for their summer holiday, she decides it's high time her husband and his family did some of the work. After all, her husband owes her.... Now her brother-in-law Jamie has brought a wife, someone none of them have met before. Ella is everything Clare isn't. Glamorous. Young. Influential. But she knows a secret about Clare. Something that has the power to break the whole family apart.

After years of city life, Orla and Shaw Bennett are ready for the quiet of New York's Adirondack mountains - or at least, they think they are. Settling into the perfect farmhouse with their two children, they are both charmed and unsettled by the expanse of their land, the privacy of their individual bedrooms, and the isolation of life a mile from any neighbor. But none of the Bennetts could expect what lies waiting in the woods, where secrets run dark and deep. 

They say every house has its secrets, and the house that Maggie and Nina have shared for so long is no different. Except that these secrets are not buried in the past. Every other night, Maggie and Nina have dinner together. When they are finished, Nina helps Maggie back to her room in the attic, and into the heavy chain that keeps her there. Because Maggie has done things to Nina that can’t ever be forgiven, and now she is paying the price.

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.

Arden Maynor was just a child when she was swept away while sleepwalking during a terrifying rainstorm and went missing for days. Now a young woman living hundreds of miles away, Arden goes by Olivia. She’s managed to stay off the radar for the last few years. But with the 20th anniversary of her rescue approaching, the media will inevitably renew its interest in Arden. Soon, Olivia feels like she’s being watched and begins sleepwalking again. Until late one night, she jolts awake in her yard. At her feet is the corpse of a man she knows - from her previous life, as Arden Maynor.

"Once a cheat, always a cheat," they say. Marcie Maddox has worked hard to get where she is after the illicit affair that started her new life a few years ago. But her world of country clubs, yachts, and sumptuous houses in Savannah, Georgia, isn’t easy to maintain, no matter how hard she tries. Nor is keeping her husband, Jason, truly interested.

No visitors. No nights spent away from the apartment. No disturbing the other residents, all of whom are rich or famous or both. These are the only rules for Jules Larsen’s new job as an apartment sitter at the Bartholomew, one of Manhattan's most high-profile and mysterious buildings. As she gets to know the residents and staff of the Bartholomew, Jules finds herself drawn to fellow apartment sitter Ingrid. When Ingrid confides that the Bartholomew is not what it seems, Jules brushes it off as a harmless ghost story...until the next day, when Ingrid disappears.