Kelsey has lived most of her life in a shadow of suspicion, raised to see danger everywhere. Her mother hasn't set foot outside their front door in 17 years, since she escaped from her kidnappers with nothing but her attacker's baby growing inside her - Kelsey. Kelsey knows she's supposed to keep a low profile and stay off the grid for their protection, but that plan is shattered when her dramatic car accident and rescue by volunteer firefighter and classmate Ryan Baker sparks media coverage.

Mallory killed her boyfriend, Brian. She can't remember the details of that night but everyone knows it was self-defense, so she isn't charged. But Mallory still feels Brian's presence in her life. Is it all in her head? Or is it something more? In desperate need of a fresh start, Mallory is sent to Monroe, a fancy prep school where no one knows her . . . or anything about her past.But the feeling follows her, as do her secrets. Then, one of her new classmates turns up dead.

After surviving an infamous family tragedy, 16-year-old Kennedy Jones has made it her mission to keep her brother's search through the cosmos alive. But then something disturbs the frequency on his radio telescope - a pattern registering where no signal should transmit. In a neighboring county, 17-year-old Nolan Chandler is determined to find out what really happened to his brother, who disappeared the day after Nolan had an eerie premonition. There hasn't been a single lead for two years, until Nolan picks up an odd signal - a pattern coming from his brother's bedroom.

Confronted by a restraining order and the threat of a lawsuit, failed journalist Leah Stevens needs to get out of Boston when she runs into an old friend, Emmy Grey, who has just left a troubled relationship. Emmy proposes they move to rural Pennsylvania, where Leah can get a teaching position and both women can start again. But their new start is threatened when a woman with an eerie resemblance to Leah is assaulted by the lake, and Emmy disappears days later.

It's been 10 years since Nicolette Farrell left her rural hometown after her best friend, Corinne, disappeared from Cooley Ridge without a trace. Back again to tie up loose ends and care for her ailing father, Nic is soon plunged into a shocking drama that reawakens Corinne's case and breaks open old wounds long since stitched. The decade-old investigation focused on Nic; her brother, Daniel; her boyfriend, Tyler; and Corinne's boyfriend, Jackson. Since then only Nic has left Cooley Ridge.

Littleport, Maine, has always felt like two separate towns: an ideal vacation enclave for the wealthy, whose summer homes line the coastline, and a simple harbor community for the year-round residents whose livelihoods rely on service to the visitors. Typically, fierce friendships never develop between a local and a summer girl - but that’s just what happens with visitor Avery Greer and Littleport resident Sadie Loman. Each summer for almost a decade, the girls are inseparable - until Sadie is found dead.

Claire Cook has a perfect life. Married to the scion of a political dynasty, with a Manhattan townhouse and a staff of 10, her surroundings are elegant, her days flawlessly choreographed, and her future auspicious. But behind closed doors, nothing is quite as it seems. That perfect husband has a temper that burns as bright as his promising political career, and he's not above using his staff to track Claire's every move, making sure she's living up to his impossible standards. But what he doesn't know is that Claire has worked for months on a plan to vanish.

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.

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.

Jessa Whitworth knew she didn't belong in her ex-boyfriend Caleb's room. But she couldn't deny that she was everywhere - in his photos, his neatly folded T-shirts, even the butterfly necklace in his jeans pocket...the one she gave him for safekeeping on that day. His mother asked her to pack up his things - even though she blames Jessa for his accident. How could she say no? And maybe, just maybe, it will help her work through the guilt she feels about their final moments together.

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.

When Chloe Davis was twelve, six teenage girls went missing in her small Louisiana town. By the end of the summer, her own father had confessed to the crimes and was put away for life, leaving Chloe and the rest of her family to grapple with the truth and try to move forward while dealing with the aftermath.

In a windswept British seaside town, single mum Alice Lake finds a man sitting on the beach outside her house. He has no name and no idea how he got there. Against her better judgment, she invites him inside. Meanwhile, in a suburb of London, 21-year-old Lily Monrose has been married for only three weeks. When her husband fails to come home from work one night, she is left alone in a place where she knows no one and with the police telling her that her husband never existed.

Charlotte was supposed to be looking after the children, and she swears she was. She only took her eyes off of them for one second. But when her three kids are all safe and sound at the school fair, and Alice, her best friend Harriet’s daughter, is nowhere to be found, Charlotte panics. Frantically searching everywhere, Charlotte knows she must find the courage to tell Harriet that her beloved only child is missing. And admit that she has only herself to blame.

Shelby Tebow is the first to go missing. Not long after, Meredith Dickey and her six-year-old daughter, Delilah, vanish just blocks away from where Shelby was last seen, striking fear into their once-peaceful community. Are these incidents connected? After an elusive search that yields more questions than answers, the case eventually goes cold. Now, 11 years later, Delilah shockingly returns. Everyone wants to know what happened to her, but no one is prepared for what they'll find....