You’d never know what secrets the house on Hogarth Street holds - what’s happening, right this second, behind closed doors. An emerald-green front lawn. Perfectly trimmed hedging. An ivy-covered front gate and the scent of honeysuckle in the air. In the yard, two scooters lie on the grass. One blue, one pink, belonging to five-year-old twins.

In the middle of the night, Claire wakes up to discover that her beloved daughter, Julia, is dead - and life, as she knows it, is over. Searching for answers, Claire stumbles upon a pile of letters, hidden under Julia’s bed in an old, battered shoebox, and feels closer to her daughter than ever before. They tell her that Julia was happy, that she was thriving at university, that she was in love. But as the letters go on, Claire starts to feel uneasy at something hidden between the lines. Even as she grieves, she must prepare to face a shocking discovery. 

Nancy's mother and stepfather have been brutally killed. After a trial that gripped the nation, her stepbrother has been convicted of the double murder. But the end of the trial is just the beginning of a new nightmare for Nancy: the press is rabid, certain that she is hiding something. Certain that she knows more that she's telling about that night at the farmhouse . . . Determined to disappear, Nancy flees to the seaside in Devon, to Tall Chimneys, her grandmother's secluded inn--a place that holds many dark wartime secrets.

Her chest tightens, her heart speeding up. The kitchen is chaos. She steps on something hard, and looks down. Toy dinosaurs are scattered everywhere. But her son is nowhere–her baby boy is gone.

It’s the phone call every mother dreads. I’m climbing into the car after a trip to the grocery store. As the engine starts, my phone rings. It’s my stepdaughter, Shelby, who is babysitting my three-year-old Millie. "I only went upstairs for a second," she says through her sobs. "She’s gone." When the police turn up, Shelby’s story starts to unravel. What is she hiding? Then I get a message saying, "Your husband is not who you think he is." Suddenly, my family feel like strangers. Everyone has a secret - even me. 

Elizabeth is Joe’s foster mother, but she loves him like her own. The five-year-old, who adores superheroes and watching the birds outside, is the child she has dreamed of. As she looks into the garden, where he was playing just moments ago, her heart feels like it has been ripped from her chest. She was meant to save Joe from his birth mother who almost harmed his chances at life. The woman who has been trying to desperately get him back. She was meant to protect Joe from her husband. The man who, right now, lies to the police, saying he was making breakfast when Joe disappeared. 

Marianne has a life others dream of. A beautiful townhouse on the best street in the neighbourhood. Three bright children who are her pride and joy. Sometimes her past still hurts: losing her mother early, growing up in foster care. But her husband, Simon, is always there. A successful surgeon, he’s the envy of every woman they’ve ever met. Flowers, gifts, trips to France: nothing is too good for his family. Then Simon says another woman’s name. The way he lingers on it, Caroline, gives Marianne a shudder of suspicion, but she knows it’s nothing - she can’t entertain this flash of paranoia.

When single mother Darcy’s son falls from a rope bridge at a local playground, life stands still. She clutches his small, limp body, frozen, until a pair of strong hands push her aside, and she watches as George, a local doctor, saves her son’s life. George, with his twinkling hazel eyes, easy charm and lack of wedding band is almost too good to be true, but coffee becomes lunch, lunch becomes dinner, and soon they can’t go an evening without seeing each other.

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? 

You’ve been excited about this getaway for months–at last, a chance to reconnect with your husband at a secluded island resort. But when he unexpectedly calls you from the beach, you hear the urgency in his voice. Something is very wrong. The beautiful waitress from the restaurant last night has been found lying dead in the sand. And the police want to question your husband about it. Sure, you saw him glance at her over dinner a few times, but you know he didn’t have anything to do with the poor girl’s death. 

Staring at the stunning diamond solitaire on her finger, Kaitlin is finally getting the chance to introduce her best friend, Zoe, to her perfect fiancé. She hasn’t known Greg long, but he looks after her, and he loves playing dad to her young daughter. How could she say no when he’s already planned their elopement? As guests arrive, why is Greg acting so shifty? And is that a flicker of recognition on Zoe’s face? And why does she look terrified every time her phone rings?

If you passed Alice on the street, you couldn’t help but smile. At how she holds hands with her husband, Jack, who she has been with since she was at university. At the way she admires her three boys, the center of her universe. But if you looked very closely, you’d see how tightly she holds Jack’s hand, afraid to let go. You’d see how carefully she watches her boys, scared to look away. She has told Jack that she ran away from home when she was younger - but she didn’t tell him the whole story.

A week at a beautiful chateau in the south of France—it should be a straightforward final job for Dora. She's a smart, stunning and discreet escort, and Daniel has paid for her services before. This time, all she has to do is to convince the assembled guests that she is his girlfriend. Dora is used to playing roles and being whatever men want her to be. It's all about putting on a front.

Maddie and Kiara have been best friends since they met on their first day at university. They have always shared everything with each other--everything except one big secret, which Kiara knows would tear them apart…. When the police knock on Maddie’s front door as she and husband Nick are getting ready for the morning school run, she’s not expecting to hear what they have to tell her. Kiara is dead.

Stephanie and Patrick are adjusting to life with their colicky twin girls. The babies are a handful, but even as Stephanie struggles with the disorientation of sleep deprivation, there's one thing she's sure of: She has all she ever wanted. Then Erica, a woman from Patrick's past, appears and makes a disturbing accusation. Patrick had always said his first wife's death was an accident, but now Erica claims it was murder. Patrick insists he's innocent, that this is nothing but a blackmail attempt. Still, Erica knows things about Patrick.