The last thing Lizzie needs right now is a call from an inmate at Rikers asking for help - even if Zach Grayson is an old friend. But Zach is desperate: His wife, Amanda, has been found dead at the bottom of the stairs in their Brooklyn brownstone. And Zach’s the primary suspect. As Lizzie is drawn into the dark heart of idyllic Park Slope, she learns that Zach and Amanda weren’t what they seemed - and that their friends, a close-knit group of fellow parents at the exclusive Brooklyn Country Day school, might be protecting troubling secrets of their own.

At the end of a long winter in well-to-do Ridgedale, New Jersey, the body of an infant is discovered in the woods near the town's prestigious university campus. No one knows who the baby is or how her body ended up out there. But there is no shortage of opinions.

When Kate, single mother and law firm partner, gets an urgent phone call summoning her to her daughter's exclusive private school, she's shocked. Amelia has been suspended for cheating, something that would be completely out of character for her over-achieving, well-behaved daughter. Kate rushes to Grace Hall, but what she finds when she finally arrives is beyond comprehension. Her daughter is dead.

Jake Hayes is missing. This much is certain. At first, his wife, Nina, thinks he is blowing off steam at a friend’s house after their heated fight the night before. But then a day goes by. Two days. Five. And Jake is still nowhere to be found. Lily Scott, Nina’s friend and coworker, thinks she may have been the last to see Jake before he went missing. After Lily confesses everything to her husband, Christian, the two decide that nobody can find out what happened leading up to Jake’s disappearance, especially not Nina.

Sam and Clementine have a wonderful, albeit, busy life: they have two little girls, Sam has just started a new dream job, and Clementine, a cellist, is busy preparing for the audition of a lifetime. If there’s anything they can count on, it’s each other. Clementine and Erika are each other’s oldest friends. A single look between them can convey an entire conversation. But theirs is a complicated relationship, so when Erika mentions a last minute invitation to a barbecue with her neighbors, Tiffany and Vid, Clementine and Sam don’t hesitate.

Kit Darling is a maid with a snooping problem. She’s the “invisible girl,” compelled to poke into her wealthy clients’ closely guarded lives. It’s a harmless hobby until Kit sees something she can’t unsee in the home of her brand-new clients: a secret so dark it could destroy the privileged couple expecting their first child. This makes Kit dangerous to the couple. In turn, it makes the couple—who might kill to keep their secret—dangerous to Kit.

Lily Bradley is a respected psychotherapist married to a distinguished professor. They live in a dream house with their two children in close-knit Story Cove. Lily lives a well-ordered life. Or so it seems. As a therapist, she knows everyone keeps things hidden. Even her. Then sensual and free-spirited Arwen Harper rolls into town in her hand-painted VW van, her sixteen-year-old son riding shotgun. Overnight, Story Cove’s secrets are no longer safe. Because Arwen might know her new neighbors better than they know themselves.

When Claire sees Hannah Wilson at an exclusive Manhattan hair salon, it's like a knife slicing through barely healed scars. It may have been 10 years since Claire last saw Hannah, but she has thought of her every day, and not in a good way. So Claire does what anyone would do in her position - she stalks her. Hannah is now Mrs. Carter, living the charmed life that should have been Claire's. It's the life Claire used to have before Hannah came along and took it all away from her.

Sadie and Will Foust have only just moved their family from bustling Chicago to a coastal island in Maine when their neighbor Morgan Baines is found dead in her home. The murder rocks their tiny coastal island, but no one is more shaken than Sadie. But it’s not just Morgan’s death that has Sadie on edge. And as the eyes of suspicion turn toward the new family in town, Sadie is drawn deeper into the mystery of what really happened that dark and deadly night.

Katherine Nichols knew she’d had too many drinks, but they were only going a short distance. “There’s no traffic anyway,” Eve had pointed out. And they'd had such a great night out, the two of them. Even now, driving them home and knowing she shouldn’t, seemed almost mischievous. All part of the fun. Not anymore.

Everyone has secrets, and Rachel Holloway is no exception. She’s worked hard to keep the past where it belongs: dead and buried. And so far, she’s been very successful. But now the small newspaper where she works wants to produce a podcast on a cold case: the disappearance 12 years ago of young Molly Forster. Some secrets should never see the light of day, and, as far as Rachel is concerned, whatever happened to little Molly is one of them.

You're home making dinner for your husband. You expect him any second. The phone rings - it's the call you hoped you'd never get. You jump in your car and race to a neighborhood you thought you'd never visit. You peer into the dark, deserted building. You brace yourself for the worst. And then, you remember nothing else. They tell your husband you've been in an accident. You lost control of your car as you sped through the worst side of town. The police suspect you were up to no good. But your husband refuses to believe it.

"This is a very difficult letter to write. I hope you will not hate us too much.... My son broke into your home recently while you were out." In a quiet, leafy suburb in upstate New York, a teenager has been sneaking into houses - and into the owners' computers as well - learning their secrets, and maybe sharing some of them, too. Who is he, and what might he have uncovered? After two anonymous letters are received, whispers start to circulate, and suspicion mounts. And when a woman down the street is found murdered, the tension reaches the breaking point.

Josh Baxter, the man behind the wheel, is a virtual stranger to Charlie. They met at the campus ride board, each looking to share the long drive home to Ohio. Both have good reasons for wanting to get away. For Charlie, it’s guilt and grief over the shocking murder of her best friend, who became the third victim of the man known as the Campus Killer. For Josh, it’s to help care for his sick father - or so he says.

A night spent sleeping on dirt and leaves is not how Claire Matchett expected to spend her vacation. She thought this would be a break. A week of hiking and hot tubs with two other couple friends. Then Claire’s minivan breaks down on a lonely dirt road. With no cell reception, the group has no choice but to hike the rest of the way to their hotel. But it turns out the woods aren’t as easy to navigate as they thought. Hours later, they are lost. Hopelessly lost. And as they navigate deeper into the woods, the members of their party are struck down mysteriously one by one.