Eden Miller’s world is crumbling. Her husband blindsided her with divorce, and her daughter barely speaks to her. In an impulsive decision to escape her present and revisit the past, she sends a friend request to her college crush, Justin Ward. One night twenty-three years ago changed the course of her life. It closed the door on Justin and opened the door to her husband, Dave. But what if Eden could have a do-over?

Eve has a good life. She wakes up each day, kisses her husband Nate, and heads off to teach math at the local high school. All is as it should be. Except… Last year, Caseham High was rocked by a scandal involving a student-teacher affair, with one student, Addie, at its center. But Eve knows there is far more to these ugly rumors than meets the eye. Addie can’t be trusted. She lies. She hurts people. She destroys lives. At least, that’s what everyone says. But nobody knows the real Addie. Nobody knows the secrets that could destroy her. And Addie will do anything to keep it quiet…

Of course, I’m not going to murder her in the night. I need my laptop back first. That’s the whole point of making friends with Emily Harper, author of the hugely successful novel Diary of an Octopus. So I could get into her apartment and take back what’s mine. Emily doesn’t know who I really am. She thinks I’m her biggest fan, her new best friend who happens to need a place to stay for a few days. She doesn’t realize the laptop she found—and took—from a busy airport almost two years ago was mine. I don’t care about the laptop, just what's on it: my diary.

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.

When Jaicey was fifteen, her entire world changed in the blink of an eye. Problem is, she doesn’t know it. She doesn’t know what happened or why the mirrors in her house have all disappeared, but she knows something isn’t right. She knows she doesn’t feel safe. When Brayden transfers to Jaicey’s high school, he challenges Jaicey in a way she’s never been challenged before. Pushing past her boundaries and fears, Brayden tries to help her discover the truth about the night that’s been ripped from her memory.

Kim’s sexuality is one thing she’s had control over in her life. And she’ll be damned if any husband forces her to make herself small. Still, it’s Dallas, Texas, and Kim keeps her open marriage as secret as possible. There are seven suspects. Her life changes in a moment when Billy turns up dead in the pool later that night. Six guests, plus Kim, are the only people who were in the house, and Detective Troy Underwood already has his sights set on Kim as the killer.

All Ruby wanted was a fresh start. But after an early retirement and a relocation to a tight-knit community with her husband, Tom, and her daughter, Lily, her new beginning takes a turn. First her troubled daughter and then her husband disappear without a trace. Unsure how to cope, grief-ridden Ruby turns to her neighborhood friends to find a way forward with new hobbies, including a murder club where they try to solve cold cases. But just as unexpectedly as her family vanished, a body floats to the surface of the nearby lake.

Mia and Finn are busy turning a derelict house into their dream home when Mia unexpectedly falls pregnant. But just when they think the house is ready, Mia discovers a shocking message scored into a skirting board: I WILL SAVE THEM FROM THE ATTIC. Following the clue up into the eaves, the couple make a gruesome discovery: their home was once a real-life murder house, with the evidence still concealed within the four walls.

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.

After a personal tragedy and professional scandal forces homicide detective Vanessa Castro out of Seattle, she takes a new job in Seaside, Washington, determined to make a fresh start. The small beach town, best known for its popular amusement park, Wonderland, seems like the perfect place to raise her young son and teenage daughter. But it's not that easy starting over, especially as the town's new Deputy Chief of Police. When a dead body turns up at the park her first day on the job, and then a teenage Wonder Worker goes missing, Vanessa's investigation is met with resistance.

Kate Bennett vanished from a parking lot eleven years ago, leaving behind her husband and young daughter. When she shows up at a Montana gas station, clutching an infant and screaming for help, investigators believe she may have been abducted by a cult. Kate’s return flips her family’s world upside down—her husband is remarried, and her daughter barely remembers her. Kate herself doesn’t look or act like she did before.

When my husband found this perfect little cabin in the woods for our honeymoon, I couldn’t wait to get away. Just us in the middle of the forest, waking up every day in the trees, ending each night in the hot tub under the stars. But now I’m not sure that I know my husband at all.

Nina can never forgive Maggie for what she did. And she can never let her leave. 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. 

Cassie thinks she has met the perfect man. Joel is sweet, handsome, romantic, and best of all, he’s crazy about Cassie. She thinks she’s found the guy she’ll spend the rest of her life with. Have children with. Grow old with. Yes, she knows about his perfect ex-girlfriend, Francesca. The beautiful, brilliant chef, beloved by all his friends. But she thinks Francesca is out of the picture. She thinks Francesca is gone for good. Think again, Cassie.

Merritt Coletto and her husband, Luca, have the life they dreamed of: a coastal home, a promising future, and a growing family. That dream ends with a late-night knock on the door. Weak, broken, and emaciated, it’s Luca’s first wife, Lydia. Missing for ten years, presumed dead, and very much alive, she has quite a story. Racked with guilt over the beautiful life they’ve built, Merritt and Luca agree to help get Lydia back on her feet - it’s the least they can do. But the more enmeshed Lydia becomes in Merritt’s family, the more questions Merritt has.