Sasha North has gone missing. Everyone says she's run away, but I know better. We've been best friends since we were teenagers, since Sasha swept into the neighbourhood and brought colour to my life. Until a brutal attack changed both our lives forever.

You see the people you work with every day, but what can't you see? Amira, Sarah, Paula, Ewan and Charlie have worked together for years - they know how each other likes their coffee, whose love life is a mess, whose children keep them up at night. But their comfortable routine life is suddenly shattered when an aggressive new boss walks in.... Now there's something chilling in the air. Who secretly hates everyone? Who is tortured by their past? Who is capable of murder?

She arrived into Heathrow after a difficult week at work. Her bag had been stolen. Her whole life was in there - passport, wallet, house key. When she tried to report the theft, she couldn't remember her own name. All she knew was her own address. Now she is at the door of Tony and Laura, a young couple living in Wiltshire. She says she lives in their home. They say they have never met her before. One of them is lying. But which one?

No. 23 has a secret. In this bedsit-riddled south London wreck, lorded over by a lecherous landlord, something waits to be discovered. Yet all six residents have something to hide. Collette and Cher are on the run; Thomas is a reluctant loner; while a gorgeous Iranian asylum seeker and a 'quiet man' nobody sees try to stay hidden. And watching over them all is Vesta - or so she thinks. In the dead of night, a terrible accident pushes the neighbours into an uneasy alliance. But one of them is a killer, expertly hiding their pastime, all the while closing in on their next victim....

Sage Singer has a past that makes her want to hide from the world. But when she strikes up an unlikely friendship with Josef Weber, a quiet old man and respected pillar of the community, she feels that finally, she may have found someone she can open up to. Until Josef tells her the evil secret he's kept for sixty years…

It all happens so quickly. One day you're living the dream, commuting to work by riverbus with your charismatic neighbour Kit in the seat beside you. The next, Kit hasn't turned up for the boat and his wife, Melia, has reported him missing. When you get off at your stop, the police are waiting. Another passenger saw you and Kit arguing on the boat home the night before, and the police say that you had a reason to want him dead. You protest. You and Kit are friends - ask Melia, she'll vouch for you.

Katelyn (Kat) Summers’ family has just moved to Webster, Massachusetts. It’s the day before her 12th birthday, and all Katelyn wants to do is go back home to Pennsylvania. That is until a 10-year-old boy named Neil Masters crashes into her bicycle. When Katelyn looks up from her position on the ground, she finds a hand stretched out to greet her. As she’s pulled to her feet, Katelyn meets with the inquisitive gaze of Sarah Masters. Within minutes, Katelyn will never think of any other place as home again.

The people who call End of the Line need hope. They need reassurance that life is worth living. But some are unlucky enough to get through to Laura. Laura doesn’t want them to hope. She wants them to die. Laura hasn’t had it easy: she's survived sickness and a difficult marriage only to find herself heading for forty, unsettled and angry. She doesn't love talking to people worse off than she is. She craves it. But now someone’s on to her - Ryan, whose world falls apart when his pregnant wife ends her life, hand in hand with a stranger.

It was supposed to be the perfect holiday, dreamed up by Kate as the ideal way to turn 40: four best friends and their husbands and children in a luxurious villa under the blazing sunshine of Languedoc-Roussillon. But there is trouble in paradise. Kate suspects that her husband is having an affair, and that the other woman is one of her best friends. One of these women is willing to sacrifice years of friendship and destroy her family. But which one? 

Death stalked the Vale. In every corner, every whisper. They just didn't know it yet. Six neighbours, six secrets, six reasons to want Olive Collins dead. In the exclusive gated community of Withered Vale, people's lives appear as perfect as their beautifully manicured lawns. Money, success, privilege - the residents have it all. Life is good. There's just one problem. Olive Collins' dead body has been rotting inside number four for the last three months. Her neighbours say they're shocked at the discovery, but nobody thought to check on her when she vanished from sight. 

Esme is a start-up success who runs her own successful media company and heads up a series of investigative podcasts. She also has a beautiful home, where she lives with her sister, Michelle, and her son, Zachary. Sure, there’s an ex-husband hanging around - Owen likes to pop round a bit too often - but everything is civilised and amicable. She has life all tied up. But Esme knows that any successful podcaster is only as good as her last story, so she sets out on a new series of interviews to get to the truth behind Simone Fischer’s high-profile murder of her husband. 

A young woman turns up at a police station. She has been kept prisoner in her own home. Abused and tortured, her every move watched, her every thought controlled. Now she's finally escaped. That's what she says. But when the police arrive at the address she's given them, her story doesn't seem to add up. Her husband is missing, but his phone and wallet are still in the house. She says she's the victim, but what if she's not? What if the stories she's telling aren't her stories at all....

Julia and Livy have always told each other everything, turning to each other when life gets difficult. So when Julia is found dead in her home, Livy cannot accept the verdict of suicide. Livy sets out to prove that Julia was murdered, but digging into Julia’s private life will cause her to question everything. The truths that Livy discovers will tear the very fabric of her own life apart.

Mia Hamilton lived the perfect life with her husband, university teacher Zach, and their two-year-old daughter. But everything changed when Zach committed suicide on the same night one of his students vanished. Five years later, just when Mia is beginning to heal, stranger Alison walks into her life, saying her husband didn't kill himself. Fragile, slight Alison leads Mia on a path into Zach's past, and Mia begins to think she never really knew her own husband.

Ursula is unable to face up to the tragedy that consumes her, her world has shrunk to an almost unrecognisable state. Then Alice, who’s in the first flush of her relationship with Simon who seems perfectly normal – except that he flinches at the slightest touch. And Gareth, who lives a humdrum life as he struggles to cope with his mum’s increasing dementia. She can’t remember much about her days – not even when a postcard from his long-dead father comes through the door. None of these three strangers have ever met, but their worlds will soon collide.