My name is Emma Brennan, and I never thought I’d find myself in this position—standing on a Cape Cod beach at sunrise, wondering which of my friends is a killer.

For twenty-four-year-old Jane, finding love in New York City is even harder than making it as a playwright. So when Jane meets Colin, she can’t believe her luck: they’re perfect for each other. Even when Colin breaks off their relationship after six dates, Jane knows this is just a stumbling block. She’ll get him back. She knows she will. That is, until Colin starts dating Zoe—perfect, luminous Zoe. Even worse, she’s actually kind of nice. But Zoe doesn’t have what it takes to love Colin. All Jane has to do is prove it, and they’ll be so happy together.

Today is Sophie Matthews’s sixteenth birthday party, an exclusive black-tie bash in the heart of the Texas Hill Country, where secrets are as deep-rooted as the sprawling live oaks. Sophie's dad has spared no expense, and his renovated cliffside mansion—once thought haunted and shuttered for years from outsiders—is now open for the event of the season. Then, just before the candles on the three-tiered cake are blown out, a body falls from the balcony onto the starlit dance floor below.

Annabelle Reynolds has everything she’s ever wanted. A devoted husband, two wonderful daughters, and a career she loves. She couldn’t be happier. So why is she suddenly plagued by disturbing dreams of a future where she hates her husband and her daughters’ lives are at risk? At first, she chalks the dreams up to an overactive imagination. But when details from her dreams, details she couldn’t possibly have predicted, begin to materialize, she realizes these aren’t just dreams but rather premonitions of a terrifying future.

Dr. Laurel Harlow can’t believe she’s agreed to do a reality TV show. But her years as a chemical dependency counselor and personal history with the show’s director make her the obvious choice. Treating a mansion full of former child stars on the road to recovery is the tallest order of her career—especially when one of them turns up dead while the cameras are still rolling.

Landing a job caring for the unresponsive wife of celebrity podcaster Colin Harrington could be the best thing that's happened to me in a long time. I get a place to live, a paycheck, and a way to salvage my comatose career. It's my last chance to finally prove the doubters wrong. I have to make it work. All I need to do is survive a few months in the eerie, high-tech halls of the Harringtons' mansion. But caring for Colin's wife Kara is testing the limits of my sanity.

Ramona has spent the last twelve years trying to build the perfect family with her husband and stepdaughter. In their picture-perfect home and neighborhood, she thought she'd finally found the life she always dreamed of. But one thing still haunts her every day: the shadow of her husband’s missing ex-wife. No matter how hard she tries, neither her husband nor stepdaughter can let go of the past.

When Theo died, I swore I would never remarry. But then I meet Parker, and I find I can’t say no to a second chance at happiness. But after we get engaged, strange things start happening. I find Theo’s sweater hanging in the wardrobe, and his wedding band on the bathroom sink. Our old wedding album is on the coffee table, and I can smell my late husband’s cologne in the air.

Investigative reporter Rose Howard is exhausted from trying to manage her seemingly perfect life. With her marriage to the man she thought was her one true love collapsing, she desperately needs for one thing to go right. While striving for a promotion to senior reporter, her efforts are interrupted when she learns her former best friend and travel vlogger, Eve Castillo, isn't responding to attempts to contact her at the North Carolina cottage she's reviewing. Rose knows Eve can be flaky and irresponsible.

How well do you really know the people closest to you? Aria Miller used to think she had the perfect life, but now that the honeymoon phase is all but a distant memory, she can't shake the feeling her perfect life is a sandcastle waiting to collapse. Recently she's felt a prickle of anxiety when her husband Ethan says he has to work late. She's trying to shake the feeling that he's been lying. After all, trusting men has never worked out well for Aria... But sweet, kind Ethan has never given her a reason not to trust him, has he?

Jane Whitaker and Ivy Chapman have been best friends for twenty years - ever since their sons Cal and Brad attended the same preschool. But their close bond is severely tested when their now adult sons go skiing together in Wyoming and only one returns. Where is Cal Whitaker and why didn’t Brad Chapman report him missing? With growing fears for Cal's safety, his family begins to suspect Brad knows a lot more than he's saying. Friendship turns to suspicion and then to open hostility when Cal's sister Emerson posts an online appeal that ignites a vicious crusade against Brad.

Los Angeles homicide detective Dinah Marino may have a complicated relationship with her family, but her psychiatrist husband, Joe, makes her feel safe, secure, and happy. She couldn’t want for a more loving or trusting man. But throughout their ten-year marriage, she’s been keeping a secret from him—a secret she’d take to the grave. Dr. Joe Marino loves his wife more than anything in this world, but there are things he’s learned to keep close to the chest—including a few dead bodies.

All I want is to be innocent again. But that's not how it works. Especially not after the Wheel. The three Bishop sisters grew up in privilege in the moneyed suburbs of Detroit. But as the auto industry declined, so did their fortunes. Harper, the youngest, is barely making ends meet when her beloved, charismatic sister Pam—currently in the middle of a contentious battle with her ex-husband—and her eldest sister, Debra, approach her about joining an exciting new club.

Whitney Falls was supposed to be the perfect place for me to disappear, with its quiet leafy streets and tulip-lined gardens. I didn’t intend to make any new friends. But when the pastor’s wife saves me from an accident, I can’t help but fall into her orbit. Soon enough, I become a regular at church, and the pastor and his wife welcome me into their home with open arms. But the more time I spend with them, the more I begin to feel something isn’t right.

If you ask Jill Tingley, she'll tell you she and her husband Jack are college sweethearts living the dream in Southern California. Newly empty nesting with their daughter Maggie away at college, Jill suggests a road trip to reconnect. Jack would rather do anything else than drive to Utah with his wife. He's only stayed in this marriage because of a shared secret, a tragedy in the past he wanted to keep buried. But Jack is finished with the charade of his marriage. He's filing for divorce as soon as they return, no matter what. But he doesn't realize what else Jill is hiding.

Twenty years ago, Ella Winters was the it girl. She made a name for herself in Hollywood and throughout America as the sole survivor in the cult-classic slasher Grad Night. But the real horror is what happened when the cameras weren’t rolling—something terrible that Ella and her co-stars agreed never to speak of again. Shortly after the movie’s premiere, Ella disappeared from the acting scene under the pretense of caring for her ailing mother, hoping for a quiet life out of the spotlight to ease her guilty mind.

Expat Holly Jones has built the perfect life for herself in an exclusive area of Miami: the beautiful house, the enviable family. So the last person she expects to bump into one morning is a ghost from her old life in London, someone she hasn’t seen in over twenty years: the other Holly, Holly Wild. Single, sexy, and a world away from the frumpy sidekick she was at school, Holly Wild quickly becomes an unavoidable part of Holly Jones’s life. She is everywhere—in her home, in her marriage, and especially in her head.

Shae Halston lives a life of luxury—at least that's what her followers think. After a devastating affair ends her marriage, the internet influencer and It Girl must confront her new normal without losing her grip on reality—or any of her devoted followers. In an act of furious desperation, Shae befriends her husband's new lover, but the closer she gets to their new life, the more her mental health unravels. Soon, manic delusions replace her sanity and before long, compulsive thoughts of revenge obsess her until the lines between her online persona and reality blur.

One year after her ex–best friend posted their private correspondence on social media, good girl Jake Nolan is still reeling. Thanks to Shelby’s betrayal, Jake lost her job, her house, and her husband, not to mention a cherished friendship that turned out to be built on deceit. Circle Shelby; cross out Jake. But enough is enough, and after moving into a bungalow on idyllic Sweetwater Lane, Jake decides to retaliate by doing some crossing out of her own.

Grad Student Sydney Denik is getting a second chance. When a dream opportunity presents itself with a prestigious foundation doing promising Alzheimer's research, Sydney leaves the shambles of her old life to join a dozen other students at an isolated lodge hidden away in a remote, fog-shrouded inlet on Vancouver Island. But the Madrona Foundation harbors more than brilliant minds. Everyone around her is hiding a terrible secret—including the resident psychologist she's falling in love with.