Ava only left her daughter in the pushchair for five minutes. The buckle was fastened, and she was sure it was safe. But when she came downstairs, the door was open and Abi was gone - she walked down the road, past the Lovegoods' house, and was never seen again. A year later, the Lovegoods throw a housewarming party, showing off the results of their renovation. Ava doesn’t want to go. She can’t bear to look down that end of the road, to see the place where Abi vanished, and she doesn’t want to spend time with people who don’t share her grief. 

A regular weekday morning veers drastically off-course for a group of strangers whose paths cross in a London café - their lives never to be the same again when an apparently crazed gunman holds them hostage. But there is more to the situation than first meets the eye, and as the captives grapple with their own inner demons, the line between right and wrong starts to blur. Will the secrets they keep stop them from escaping with their lives?

It's the day her father will be released from jail. Izzy English has every reason to feel conflicted - he's the man who gave her a childhood filled with happy memories. But he has also just served 17 years for the murder of her mother. Now, Izzy's father sends her a letter. He wants to talk, to defend himself against each piece of evidence from his trial. But should she give him the benefit of the doubt? Or is her father guilty as charged and luring her into a trap?  

“There’s no place like home.” That’s what I tell myself as I pull another flawless meal from the oven. This perfect house on a quiet street was supposed to be my sanctuary, a place to recover. But everything changed the moment I saw that woman in the charity shop. She triggered something dark, buried deep within my memory.... 

Kitty Marchland has always known that her family isn't like others. But when her father uproots them to a remote cottage in the woods, she realises that her parents are keeping secrets from her - secrets that could unravel everything. Years later, Kitty starts to question what really happened out in the forest. When the police revisit a suspicious death, she must examine her most painful memories - and this time, there’s nowhere to hide.

It was their darkest secret. Three schoolgirls made a promise - to take the horrible truth of what they did to the grave. Thirty years later, Beth and Sally have tried to put the trauma behind them. Though Carol has distanced herself from her former friends, the three are adamant that the truth must never come to light, even if the memory still haunts them. But when some shocking news threatens to unearth their dark secret, Beth enlists the help of private investigator Matthew Hill to help her and Sally reconnect with estranged Carol.

Rebecca only wanted to help out - to be kind. Richard seemed so alone after his wife, Nicole, died, and Rebecca wanted to make sure he knew he had someone on whom to rely. But now, she’s in Nicole’s immaculate house. Drinking from her favourite crystal wine glass. Keeping shoes in her orderly closet. Comforting her sweet and grieving stepdaughter. It feels like Rebecca is living another woman’s life.

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.

On a normal day, in a normal house, on a normal street, wife and mother Fran has had enough. She packs a case, leaves a note for her bullying husband, Pete, and one for her beloved 21-year-old son, Harry, and heads to the airport - and freedom. In another house, on another street, Helena is desperately baiting her husband, Jack, into a fight. These days it feels like the only way to get Jack to take notice of her. Passionate, volatile, increasingly fragile, Helena is fast running out of hope.

Lizzie Riley is sure that the local academy school, with its excellent reputation, is perfect for her eight-year-old son Tom. But there's something strange happening at school. Parents are forbidden from entering the grounds and there are bars across the classroom windows. Why is Tom coming home exhausted, unable to remember his day? What are the strange marks on his arm? And why do the children seem afraid to talk?

Pete Riley is a stay-at-home dad; his partner, Maddie, works in advertising. After Pete drops two-year-old Theo off at nursery one morning, he's politely accosted by a man who looks just like Theo. The man, Miles Lambert, breaks the devastating news that Theo is in fact not Pete's son, but his - the two babies got mixed up at hospital and Miles and his wife, Lucy, now have the Rileys' son at home. They've already carried out DNA testing to prove it.

Sixty seconds after she wakes from a coma, Maggie's world is torn apart. The police tell her that her daughter, Elspeth, is dead. That she drowned when the car Maggie had been driving plunged into the river. Maggie remembers nothing. When Maggie begs to see her husband, Sean, the police tell her that he has disappeared. He was last seen on the day of their daughter's funeral. What really happened that day at the river? Where is Maggie's husband? And why can't she shake the suspicion that somewhere, somehow, her daughter is still alive?

The letter is addressed to me. No stamp, swirly handwriting in black ink. I pull out a piece of paper, stiffening when I read the message. Hands trembling, the note slides to the floor: Your husband is having an affair. Six words written in neat block letters. Six words slipped through her letterbox, destroying her marriage, exposing Ella’s perfect life as perfect lies. But Ella has a plan: Alice is the answer to her problems. A lodger to help keep her afloat, a friend to keep the loneliness at bay. Only Alice has her own reasons for wanting to live at 46 Heath Street....

Jules and Holly have been best friends since university. They tell each other everything, trading revelations and confessions and sharing both the big moments and the small details of their lives: Holly is the only person who knows about Jules’ affair; Jules was there for Holly when her husband died. And their two children - just three years apart - have grown up together. So when Jules’ daughter, Saffie, makes a rape allegation against Holly’s son, Saul, neither woman is prepared for the devastating impact this will have on their friendship or their families.

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.