"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.

Stephanie and Patrick are adjusting to life with their colicky twin girls. The babies are a handful, but even as Stephanie struggles with the disorientation of sleep deprivation, there's one thing she's sure of: She has all she ever wanted. Then Erica, a woman from Patrick's past, appears and makes a disturbing accusation. Patrick had always said his first wife's death was an accident, but now Erica claims it was murder. Patrick insists he's innocent, that this is nothing but a blackmail attempt. Still, Erica knows things about Patrick.

It's winter in the Catskills and Mitchell's Inn, nestled deep in the woods, is the perfect setting for a relaxing—maybe even romantic—weekend away. So when the weather takes a turn for the worse, and a blizzard cuts off the electricity—and all contact with the outside world—the guests settle in and try to make the best of it. Soon, though, one of the guests turns up dead—it looks like an accident. But when a second guest dies, they start to panic. Within the snowed-in paradise, something—or someone—is picking off the guests one by one.

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.

Welcome to Stanhope. A safe neighborhood. A place for families. William Wooler is a family man, on the surface. But he’s been having an affair, an affair that ended horribly this afternoon at a motel up the road. So when he returns to his house, devastated and angry, to find his difficult nine-year-old daughter, Avery, unexpectedly home from school, William loses his temper. Hours later, Avery’s family declares her missing. Suddenly Stanhope doesn’t feel so safe. And William isn’t the only one on his street who’s hiding a lie.

When Fiona Lawson comes home to find strangers moving into her house, she's sure there's been a mistake. She and her estranged husband, Bram, have a modern coparenting arrangement: bird's nest custody, where each parent spends a few nights a week with their two sons at the prized family home to maintain stability for their children. But the system built to protect their family ends up putting them in terrible jeopardy. In a domino effect of crimes and misdemeanors, the nest comes tumbling down.

Our love story is simple. I met a gorgeous woman. We fell in love. We had kids. We moved to the suburbs. We told each other our biggest dreams and our darkest secrets. And then we got bored. We look like a normal couple. We're your neighbors, the parents of your kid's friend, the acquaintances with whom you keep meaning to get dinner. We all have our secrets to keeping a marriage alive. Ours just happens to be getting away with murder.

The teenagers get their kicks telling ghost stories in the old graveyard. The parents trust their kids will arrive home safe from school. Everyone knows everyone. Curtains rarely twitch. Front doors are left unlocked. But Diana Brewer isn’t lying safely in her bed where she belongs. Instead she lies in a hayfield, circled by vultures, discovered by a local farmer. How quickly a girl becomes a ghost. How quickly a town of friendly, familiar faces becomes a town of suspects, a place of fear and paranoia.

Writer Carrie Colts hopes a move to Montauk will be a rejuvenating change of pace for her family. The last thing she expects to see is her former college roommate on her doorstep. Newly widowed, and with a daughter of her own, Maya would love to reconnect. As a gesture to an old friend in mourning, Carrie extends an invitation to stay. Just for a few days. After all, there are reasons that Carrie and Maya are estranged.

As children, Sam and Elli were two halves of a perfect whole: gorgeous identical twins whose parents sometimes couldn’t even tell them apart. They fell asleep to the sound of each other’s breath at night, holding hands in the dark. And once Hollywood discovered them, they became B-list child TV stars, often inhabiting the same role. But as adults, their lives have splintered. After leaving acting, Elli reinvented herself as the perfect homemaker: married to a real estate lawyer, living in a house just blocks from the beach.

When Milla accepts an off-season invitation to Le Rocher, a cozy ski resort in the French Alps, she's expecting an intimate weekend of catching up with four old friends. It might have been a decade since she saw them last, but she's never forgotten the bond they forged on this very mountain during a winter spent fiercely training for an elite snowboarding competition. Yet no sooner do Milla and the others arrive for the reunion than they realize something is horribly wrong.

Lex Gracie doesn't want to think about her family. She doesn't want to think about growing up in her parents' House of Horrors. And she doesn't want to think about her identity as Girl A: the girl who escaped, the eldest sister who freed her older brother and four younger siblings. It's been easy enough to avoid her parents - her father never made it out of the House of Horrors he created, and her mother spent the rest of her life behind bars. But when her mother dies in prison and leaves Lex and her siblings the family home, she can't run from her past any longer.

Owen falls ill with food poisoning, leaving Julie to attend a neighborhood holiday party alone. When she wakes up, half-naked in her neighbor's bathtub, Julie doesn't know how to tell Owen, the police, her friends—anyone—that she has been sexually assaulted. So she keeps it secret until she realizes that she's pregnant with her assailant's baby.

For nearly a year, Beth has been planning for her escape. She's thought through everything - a new look, new name and new city - because one small slip and her husband will find her. A couple hundred miles away, Jeffrey returns home from a work trip to find his wife, Sabine, is missing. Wherever she is, she’s taken almost nothing with her. Her abandoned car is the only evidence the police have, and all signs point to foul play.

Mina is trying to focus on her job as a flight attendant, not the problems of her five-year-old daughter back home or the fissures in her marriage. But the plane has barely taken off when Mina receives a chilling note from an anonymous passenger, someone intent on ensuring the plane never reaches its destination. Someone who needs Mina's assistance and who knows exactly how to make her comply. It's 20 hours to landing. A lot can happen in 20 hours....