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....

Anna Hart is a seasoned missing persons detective in San Francisco with far too much knowledge of the darkest side of human nature. When tragedy strikes her personal life, Anna, desperate and numb, flees to the Northern California village of Mendocino to grieve. She lived there as a child with her beloved foster parents, and now she believes it might be the only place left for her. Yet the day she arrives, she learns that a local teenage girl has gone missing.

Nina Landry awakens on her 40th birthday, anticipating a day filled with excitement. She, her new boyfriend, and her two children are taking a trip - leaving their home on Sandling Island, off the coast of England, for a dream vacation. As soon as her 15-year-old daughter, Charlie, returns from a sleepover, they can get ready to leave. But Charlie doesn’t come home at the expected time. As minutes and then hours tick by, Nina’s annoyance soon changes to concern, and then to a chilling certainty that something terrible has happened.

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.

New friends Sam, Margaret and Diana are thrilled to be getting out of the city for a girls’ weekend - they’ve bonded over their messy divorces, and every mile on the odometer feels like another step towards putting their exes in the past. But when car trouble halfway into their trip strands them in the most unlikely of mountain towns, they come face-to-face with the hurts and betrayals they were so desperate to leave behind. When Diana doesn't return home after a night out, Sam and Margaret's search for her reveals just how little they know about their friend.

London cycle courier Astrid Bell has known most of her housemates for years, but while they have a tangled history together - romantic pairings, one-night stands, friendships - they each have secrets. Astrid is on her way home one day when her neighbor accidentally knocks her off her bike. Suffering a few bruises, her roommates help her home. The next day, they learn that same neighbor was bludgeoned to death only hours after the accident.

Perched atop a hill in the tiny town of Marchburg, Virginia, The Goode School is a prestigious prep school known as a Silent Ivy. The boarding school of choice for daughters of the rich and influential, it accepts only the best and the brightest. Its elite status, long-held traditions and honor code are ideal for preparing exceptional young women for brilliant futures at Ivy League universities and beyond. But a stranger has come to Goode, and this ivy has turned poisonous.

Pete Riley answers the door one morning and lets in a parent's worst nightmare. On his doorstep is Miles Lambert, a stranger who breaks the devastating news that Pete's son, Theo, isn't actually his son - he is the Lamberts', switched at birth by an understaffed hospital while their real son was sent home with Miles and his wife, Lucy. For Pete, his partner Maddie, and the little boy they've been raising for the past two years, life will never be the same again.

A brilliant and ruthless Nazi master agent is on the loose in Cairo. His mission is to send Rommel’s advancing army the secrets that will unlock the city’s doors. In all of Cairo, only two people can stop him. One is a down-on-his-luck English officer no one will listen to. The other is a vulnerable young Jewish girl....

There is a serial killer on the loose preying on vulnerable women. The only identifiable mark the killer leaves are letters - sometimes one, sometimes two - all carved into the torsos of his victims. Together, they spell “Sydney”. When he grabs Daisy Dawson, he believes he has found his next victim. But despite her small stature, she fights back with an expertise that quickly frees her. Before fleeing the scene, Daisy also manages to grab what proves to be crucial evidence: a necklace from around the killer’s neck.

Though she may be a murderer, Ruby is not a sociopath. She is an animal-loving therapist with a thriving practice. She’s felt empathy and sympathy. She’s had long-lasting friendships and relationships, and has a husband, Jason, whom she adores. But the homicide detectives at Miami Beach PD are not convinced of her happy marriage. When we meet Ruby, she is in a police interrogation room, being accused of Jason’s murder.

Newlyweds Sam Statler and Annie Potter are head over heels, and excited to say good-bye to New York city and start a life together in Sam's sleepy hometown upstate. Or, it turns out, a life where Annie spends most of her time alone while Sam, her therapist husband, works long hours in his downstairs office, tending to the egos of his (mostly female) clientele. Little does Sam know that through a vent in his ceiling, every word of his sessions can be heard from the room upstairs.

FBI Agent Nell Flynn hasn't been home in 10 years. Nell and her father, Homicide Detective Martin Flynn, have never had much of a relationship. When Martin Flynn dies in a motorcycle accident, Nell returns to the house she grew up in so that she can spread her father's ashes and close his estate. At the behest of her father's partner, Detective Lee Davis, Nell becomes involved in an investigation into the murders of two young women in Suffolk County. The further Nell digs, the more likely it seems to her that her father should be the prime suspect.

Daisy and Simon’s marriage isn’t what it seems…. After years together, the arrival of longed-for daughter Millie sealed everything in place. They’re a happy little family of three. So what if Simon drinks a bit too much sometimes — Daisy’s used to it. She knows he’s just letting off steam. Until one night at a party things spiral horribly out of control. And their happy little family of three will never be the same again.

Brecken Hill in upstate New York is an expensive place to live. You have to be rich to have a house there, and Fred and Sheila Merton certainly are rich. But even all their money can't protect them when a killer comes to call. The Mertons are brutally murdered after a fraught Easter dinner with their three adult kids. Who, of course, are devastated.