A leading British actress hoping to make a splash in America flies to Los Angeles for the grueling gauntlet known as pilot season, a time when every network and film studio looking to fill the rosters of their new shows entice a fresh batch of young hopefuls - anxious, desperate, and willing to do whatever it takes to make it.

When a man is found on a British beach, drifting in and out of consciousness, with no identification and unable to speak, interest in him is sparked immediately. From the hospital staff who find themselves inexplicably drawn to him, to international medical experts who are baffled by him, to the national press who call him Mr. Nobody, everyone wants answers. Who is this man? And what happened to him?

Erin is a documentary filmmaker on the brink of a professional breakthrough, Mark a handsome investment banker with big plans. Passionately in love, they embark on a dream honeymoon to the tropical island of Bora Bora, where they enjoy the sun, the sand, and each other. Then, while scuba diving in the crystal blue sea, they find something in the water....

Psychiatrist Olivia Cole is a shell of herself after only two years with her tyrannical husband, the outwardly perfect Sebastian. On their two-year anniversary, she’s subjected to one power move too many when Sebastian whisks her away on a surprise trip—first to the charming capital of Sweden, then to an unexpected final destination. Miles from home and help, the only way for Olivia to wrest back control of her life is to give Sebastian an even bigger, shocking surprise.

Naomi Shaw used to believe in magic. Twenty-two years ago, she and her two best friends, Cassidy and Olivia, spent the summer roaming the woods, imagining a world of ceremony and wonder. They called it the Goddess Game. The summer ended suddenly when Naomi was attacked. Miraculously, she survived her seventeen stab wounds and lived to identify the man who had hurt her. The girls’ testimony put away a serial killer, wanted for murdering six women. They were heroes.

What could be more restful than a weekend getaway with family and friends? An isolated luxury cabin in the woods, spectacular views, a hot tub and a personal chef. Hannah’s generous brother found the listing online. The reviews are stellar. It'll be three couples on this trip with good food, good company and lots of R & R. But the dreamy weekend is about to turn into a nightmare.

A week at a beautiful chateau in the south of France—it should be a straightforward final job for Dora. She's a smart, stunning and discreet escort, and Daniel has paid for her services before. This time, all she has to do is to convince the assembled guests that she is his girlfriend. Dora is used to playing roles and being whatever men want her to be. It's all about putting on a front.

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.

One year ago, Isabelle Drake's life changed forever: her toddler son, Mason, was taken out of his crib in the middle of the night while she and her husband were asleep in the next room. With little evidence and few leads for the police to chase, the case quickly went cold. However, Isabelle cannot rest until Mason is returned to her—literally. Except for the occasional catnap or small blackout where she loses track of time, she hasn’t slept in a year. Isabelle's entire existence now revolves around finding him, but she knows she can’t go on this way forever.

After years of avoiding each other, Daisy Darker’s entire family is assembling for Nana’s 80th birthday party in Nana’s crumbling gothic house on a tiny tidal island. Finally back together one last time, when the tide comes in, they will be cut off from the rest of the world for eight hours. The family arrives, each of them harboring secrets. Then at the stroke of midnight, as a storm rages, Nana is found dead. And an hour later, the next family member follows…

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.

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.

When Paris Peralta is arrested in her own bathroom—covered in blood, holding a straight razor, her celebrity husband dead in the bathtub behind her—she knows she'll be charged with murder. But as bad as this looks, it's not what worries her the most. With the unwanted media attention now surrounding her, it's only a matter of time before someone from her long hidden past recognizes her and destroys the new life she's worked so hard to build, along with any chance of a future.

True crime writer Wylie Lark doesn’t mind being snowed in at the isolated farmhouse where she’s retreated to write her new book. A cozy fire, complete silence. It would be perfect, if not for the fact that decades earlier, at this very house, two people were murdered in cold blood and a girl disappeared without a trace.

Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.