Charly Highsmith is a survivor. Abandoned by her parents, she spent her teens looking after her autistic brother on the bitter streets of Denver, Colorado, with nothing but a jacket and a backpack. But things are better now. Charly and Jacob live in a two-bedroom apartment near a mall, and with the passing of their long-lost father, they've inherited a cabin high in the Rocky Mountains. Charly's eager to go there. Relive the good times she had as a child, running through the forest with Jacob and her cousins.

On the hottest day of the summer, we wait for Molly on the riverbank, desperate to slip into the cool water. But as the sun starts to fade, it’s clear she isn’t coming. We’ll never see our friend again....

Lauren Kaine has everything she ever wanted—a fabulous home, a shiny Lexus, a bright 16-year-old son, and a loving husband with a lucrative internet career. Tonight, she walks hand-in-hand with William beneath the lustrous Seattle sky, celebrating 22 years of marriage. But they’re not alone. A mysterious black Audi comes out of nowhere and chases William onto a bridge. He shouts, “they’re here for the card”, and falls to his death. The tinted windows hide the driver’s face, and it speeds away. Still mourning, Lauren sets out to find her husband’s killer.

After five years away from her hometown of Fawn Lake, Detective Freya Sinclair isn’t expecting a warm welcome from the people she’s sworn to protect. She became a detective to bring serial killers like her parents to justice, but the tight-knit North Carolinian community can’t see past her twisted roots. Minutes after stepping foot back home, the body of a dark-haired young girl is pulled from the river and Freya races to the scene.

Melody gazes across the rippling lake to the trees on the shore, waiting for her fiancé Evan to arrive so their family holiday can begin. Here in this cabin in a small Canadian island town, there’s so much space for their son to play. It’s going to be perfect–just like the first time Melody visited as a child. But then, a call from Evan shatters her world.

My heart pounds as I take in the headline: ‘Missing girl believed kidnapped’. Underneath is a photo of my beautiful daughter Mia, her gap-toothed grin unmistakable. But Mia is safe beside me, snuggled up on the sofa. Who has taken a photo of her, and put it on the news? And what message are they trying to send me…? I run to the window of our little house–the cosy, homely place my husband Mark and I bought so Mia could have everything I didn’t as a child–and pull the curtains tightly shut, hiding us from sight as terror courses through my body.

When Alice gets a desperate message from her estranged identical twin sister Cecily, she can’t help herself. She has to say yes. Pushing down the memories of the terrible childhood that ultimately tore them apart, she arrives at her sister’s house. Cecily has left instructions: how to work the oven, what to cook for supper, what to say to her husband. She says she’ll only be gone a week. She just needs to contact a lawyer, sort her head out, and work out how to get away from her marriage safely. Alice barely knows why she’s agreed...

We danced together that night, our dresses glittering in the swirling lights. We couldn’t have known that for one of us, it would be our last night alive. Back in my hometown a decade later—the place I’ve avoided because of the memories—I can’t shake the feeling that I am being followed. I tell myself it’s all in my head, but the prickle on the back of my neck feels like a warning. Then the anonymous messages land in my inbox: I’m watching. I’ve been waiting for you.

A bright and welcoming haven, the playgroup sits at the heart of the town, tucked away inside a red-brick building. The Nest should have been the safest place for my rosy-cheeked, pink-obsessed daughter, Florence. Run by mothers like me, I trusted my newfound friends–Alice, Beth and Georgie–to take care of my child. But now my choice has left Florence fighting for her life.

Grace has a perfect life. Then her husband replaces her with a younger, blonder version. Three years later, Grace’s sixteen-year-old daughter Tara is stabbed to death in a seedy hotel. Grace’s life stops. After a harrowing trial, Tara’s boyfriend is convicted of her murder. At least now it’s over—until someone breaks into Grace’s house and ransacks Tara’s belongings. Now the questions have only just begun. Grace thought she knew her daughter. But Tara had been keeping secrets from her. Very dark secrets.

Hidden away in an isolated cabin on the edge of her farm, seven-year-old Aisling Connolly shivers as the cold night air whistles through her thin jacket. It’s been two days since the men came, since her mammy told her to run like she’d never run before, to not look back. She hasn’t seen her parents since. And she’s terrified. But when Aisling is finally found by the police, she knows instinctively she can trust Detective Tessa Burns.

Rina Kent was the new hot shot psychiatrist at Holy Saints ward. She also recently married the love of her life, who's also a doctor at the same hospital. Rina felt on top of the world, until one of her patients committed suicide. Rina knows it was her fault. A year later, her marriage has already gone down in flames. All she has left is her patients, but she's lost her confidence to help them.

Widowed single dad Ron pulls up to his daughter's school in his beat-up Volvo, and feels his heart deflating. He knows Jennifer will be upset he didn't get the promotion he worked so hard for. But Jennifer isn't there. As Ron frantically searches the entire school, the minutes turning into hours, he finds himself living every parent's worst nightmare... his child has been taken.

Ten-year-old Annie Warren hasn't made it home from school and with every passing hour, hopes of finding her alive are fading fast. Her parents, Cathy and Kit, are frantic with worry, fearing the worst. Could their daughter, the miracle child who came as a surprise to them both, have been abducted? The police are coordinating a massive search but seem totally clueless, while the Warrens' home is under siege from a news-hungry press pack crawling over themselves to cover the story.

Anne gets exactly the welcome to the neighborhood she expects: a basket of homemade cupcakes delivered by the woman next door and her best friend. One wears a curious smile while the other studies her every move. When Talia and Tabitha leave, Anne throws the treats in the trash. She knows what to expect from the new neighbors. Talia with her perfect husband and pale-peach sweater sets, and Tabitha who reigns as queen in the close-knit community. That’s why she chose this house.