Carly had thought they’d always live there. The beautiful Cornish cliffside house they’d taken on as a wreck, that Mark had obsessively redesigned and renovated - a project that had made him famous. It was where they’d raised their children, where they’d sat cozily on the sofa, watching storms raging over the sea below. It was where they’d promised to keep each other’s secrets. Until now. Because Mark has fallen in love. With someone he definitely shouldn’t have. Someone who isn’t Carly. And suddenly their family home doesn’t feel like so much of a safe haven. 

I stare at the newspaper article about a baby snatched from the back of a car 30 years ago and wonder why someone would post it through my door. Looking closer, my blood freezes. The little girl in the photo has an unusual scar - just like mine. I’ve never met anyone with one like it. Is this stolen child...me? Trembling with shock, I know I have to confront my mother. My parents got me through a horrific accident, helped me find a job I love teaching art, and even with buying my own house. But was it all built on lies? 

When bossy, loving, sensible Kate dies suddenly, her little sister, Rose, dutifully returns from a carefree life abroad to help Kate's widower and the two children Rose has never met. But she is unsettled to see no trace of her warm-hearted sister in the remote, dilapidated house, nor in Kate's cold, distant partner, Evan. After stumbling across a message that only her sister could have left for her, Rose's unease around the circumstances of Kate's death turns to open suspicion, but she knows better than to ask the grieving widower for answers.

When Helen, finally pregnant after years of tragedy, attends her first antenatal class, she is expecting her loving architect husband to arrive soon after, along with her confident, charming brother Rory and his pregnant wife, the effortlessly beautiful Serena. What she is not expecting is Rachel. Extroverted, brash, unsettling single mother-to-be Rachel, who just wants to be Helen’s friend. Who just wants to get know Helen and her friends and her family. Who just wants to know everything about them. Every little secret.

When Matt and Imogen move out of the city, they're hoping for a much-needed fresh start. Matt throws himself into his new job, but Imogen struggles to adjust to life in quiet Surrey. She's grateful for the kind welcome from new neighbour Nancy, and they soon become close friends. So when Nancy makes a shocking accusation, Imogen doesn't know who to trust. This isn't the first time Matt has found himself on the wrong end of a false accusation...but is Nancy hiding secrets of her own?

Beth and Tom Hardcastle are the envy of their neighbourhood - they have the perfect marriage, the perfect house, the perfect family. When the police knock on their door one evening, Beth panics. Tom should be back from work by now - what if he’s crashed his car? She fears the worst. But the worst is beyond imagining. As the interrogation begins, Beth will find herself questioning everything she believed about her husband.

Ruth is a successful television executive with a seemingly perfect life: a nice house in London, a lawyer husband and two grown-up daughters. But at 54, with an empty nest and the menopause behind her, she feels restless and dissatisfied. After multiple rounds of failed IVF, her eldest daughter Lauren has been told that the only chance for her and her husband to have their own child is surrogacy. So when Ruth discovers that, with the right dose of hormones, she could carry their baby, out of desperation they agree.

Erin lives an idyllic life by the seaside with her baby boy and handsome Australian fiancé. She's upbeat and happy - a natural mum. At least that's what her thousands of followers on Instagram think. In the real world, Erin is struggling with anxiety and finding it difficult to connect with her screaming son. So when a famous agent offers to make her the biggest instamum out there, she's over the moon. 

Twenty-one years ago, Dr Richard Carter and his wife, Pamela, were killed in what has become the most infamous double murder of the modern age. Their 10-year-old daughter - nicknamed the Angel of Death - spent eight years in a children’s secure unit and is living quietly under an assumed name with a family of her own. Now, on the anniversary of the trial, a documentary team has tracked down her older sister, compelling her to break two decades of silence.

All the neighbours were laughing, drinking out of plastic glasses and getting along. I almost felt happy. Almost forgot about the terrible argument earlier and the sinister messages I’d been receiving from a strange address all week, threatening to expose the lies behind my perfect life. As we finished with the red and gold fireworks and welcomed everyone back to our house, I believed that everything would be okay. But I didn’t know who I was inviting in.

Five years ago, Erin Kennedy moved to New York following a family tragedy. She now lives happily with her detective husband in the scenic seaside town of Newport, Long Island. When Erin answers the door to Danny's police colleagues one morning, it's the start of an ordinary day. But behind her, Danny walks to the window of their 4th-floor apartment and jumps to his death.

Four people walked into the dining room that night. One would never leave. Matthew: the perfect husband. Titus: the perfect son. Charlie: the perfect illusion. Rachel: the perfect stranger. Charlie didn’t want her at the book club. Matthew wouldn’t listen. And that’s how Charlie finds himself slumped beside his husband’s body, their son sitting silently at the dinner table, while Rachel calls 999, the bloody knife still gripped in her hand.

On an island on the coast of Cornwall, cut off from the mainland by the tides for most of the day, 13 old friends meet at Tregowan Castle for a weekend of revelry. By the next evening, only 12 are still alive. Amongst them is a killer - but who? As a storm traps them on the island and past betrayals and grievances are revealed, nerves fray and friendships begin to fracture. But with no escape and no way of calling for help, it’s only a matter of time before the killer strikes again. And when everyone is keeping secrets, anybody could be the next victim.

When an Oxford student accuses one of the university's professors of sexual assault, DI Adam Fawley's team think they've heard it all before. But they couldn't be more wrong. Because this time, the predator is a woman and the shining star of the department, and the student, a six-foot male rugby player. Soon DI Fawley and his team are up against the clock to figure out the truth. What they don't realise is that someone is watching.

You wake on a beautiful, remote island. Sparkling blue seas, golden sunsets, barely a footprint in the sand. Yet this is no ordinary escape. Next to the wreck of a plane, a stranger paces. Another sharpens a knife, scoring a list of the dead onto a palm tree. Others watch from the shadows of a campfire - all with untold stories, and closely-guarded secrets.