Nisha Cantor lives the globetrotting life of the seriously wealthy, until her husband announces a divorce and cuts her off. Nisha is determined to hang onto her glamorous life. But in the meantime, she must scramble to cope--she doesn’t even have the shoes she was, until a moment ago, standing in. That’s because Sam Kemp—in the bleakest point of her life—has accidentally taken Nisha’s gym bag. But Sam hardly has time to worry about a lost gym bag—she’s struggling to keep herself and her family afloat.

Every family has secrets, and on the hottest day of the year, the truth is about to come out. As a tragedy unfolds behind closed doors, the dawn chorus is split by the wail of sirens. And one by one the families who tried so hard to welcome the Wests begin to realise: Hogarth Street will never be the same again.

Carol is a divorced teacher living in a small town in Ireland, her only son now grown. A second chance at love brings her unexpected connection and belonging—and sparks a flurry of speculation. What does a woman like her see in a man like that? What happened to his wife who abandoned him and his children all those years ago? Carol and Declan know their relationship is the talk of the town, but the gossip only serves to bring the couple closer.

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.

One night, Molly Clarke walked away from her life. She doesn't want to be found. Or at least, that's the story. The car abandoned miles from home. The note found at a nearby hotel. The shattered family that couldn’t be put back together. They called it a “walk away.” It happens all the time. Women disappear, desperate to leave their lives behind and start over. But is that what really happened to Molly Clarke?

Sarah Jennings knows there’s one place she can go to find some peace and quiet during her difficult divorce. But arriving at her beloved father’s home in the countryside, she finds him unwell and hunched over boxes of files, studying the records from Cedar Hall, the crumbling orphanage in town. He says that hidden behind the wrought iron gates and overgrown ivy are secrets about their family, and he asks for her help.

The doorbell rings, just days after my beloved husband’s sudden death. I don’t recognise the woman on our doorstep, with her blonde highlights, a diamond bracelet identical to my own and a bouncing baby boy in her arms. As I show her inside, I notice her eyes grow wide as she takes in our spacious hallway, and the big squashy sofas that we all used to pile on. She glances at the silver-framed family photos and my little daughter hiding behind my skirts. She looks at me, her blue eyes serious. ‘I’m sorry’ she says. ‘I am your husband’s girlfriend. And this is his son.'

You tell him everything. The husband you adore, the father of your child, your best friend. He knows, just by looking at your sage green eyes, when something is wrong. The two of you can communicate with a glance or a touch of the hand. Except what if you can’t? What if your happy marriage has plastered over one huge lie? A lie you have even started to believe yourself in order to survive?

A door slammed and the unmistakable sound of boots came crashing up the hall. Liese held her little daughter’s hand so tightly, the tiny fingers had turned purple. The SS officer’s hand was at Liese’s throat before she saw him move. "I can kill you easily, then I can kill your daughter." He relaxed his grip a little. "Or perhaps I could kill her first?" England, 40 years later. When Karen Cartwright is unexpectedly called home to nurse her ailing father, she goes with a heavy heart.

Sophie Duguet is losing her grip. Haunted by visions from her past of her loving husband, who committed suicide after a car accident. One morning she wakes to find Leo, the child in her care, strangled in his bed by Sophie's own shoelaces. She can remember nothing of the night before. Could she really have killed him? She flees in panic, but this only cements her guilt in the eyes of the law. Not long afterwards it happens again - she wakes with blood on her hands, with no memory of the murder committed.

As Nahr sits, locked away in solitary confinement, she spends her days reflecting on the dramatic events that landed her in prison in a country she barely knows. Born in Kuwait in the 70s to Palestinian refugees, she dreamed of falling in love with the perfect man, raising children, and possibly opening her own beauty salon. Instead, the man she thinks she loves jilts her after a brief marriage, her family teeters on the brink of poverty, she’s forced to prostitute herself, and the US invasion of Iraq makes her a refugee, as her parents had been.

There was so much anger brewing in the child that sometimes Alicia feared for all of them. And now she had gone and done this terrible thing. This terrible, terrible thing. Tara has lost her voice. She knows there was pain and fear, but she cannot remember anything else. Now she can answer the questions only with silence. Minnie has buried her voice for years, losing herself in silence and isolation, keeping her secrets safe and her broken heart concealed. Liam finds refuge in silence; it is a place to go to when he cannot get the words out.

Aria Abbott has never had a home. Drifting through the foster system for most of her life, she finally finds herself in a situation so unbearable that she has no choice but to run away. Sleeping on the streets pushes Aria beyond any suffering she has felt before; the only thing worse than seeing no escape is the knowledge that no one in the world cares enough to try and find her. Enter Taylor, a homeless young man with a charismatic smile and a dream of fame, fortune, and the sunshine of LA. Swept up in his energy, Aria and Taylor board a greyhound bus and never look back.

Arabella Lane is found dead in the Thames on a frosty winter’s morning after the office Christmas party. No one is sure whether she jumped or was pushed. The one person who may know the truth is the office temp, Eleanor. Having traveled to London to escape the repercussions of her traumatic childhood in Australia, tragedy seems to follow Eleanor wherever she goes. To her horror, she has no memory of the crucial hours leading up to Arabella’s death - memory that will either incriminate or absolve her.

Eight-year-old Leila Smith has seen and heard things that no child should ever have to. On the Hawthorn Estate, where she lives, she often stays out in the playground long after the other children have left, just so she can avoid her own home for longer. But what Leila doesn't know is that someone has been watching her. One day, she disappears without a trace. The police search start a nationwide search, but it's as if Leila has vanished into thin air. Who kidnapped her? What do they want? Will she return home safe and sound, or is she lost forever?