Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.

It was meant to be Caitlin's perfect summer, but betrayed by her best friend and her boyfriend, she finds herself hitchhiking home alone, heartbroken, and penniless. When a smiling family pulls up on the roadside to help her on her way, she's relieved at first - they seem friendly, normal. And when they offer her a warm bed in their cottage for the night, she's grateful - it's not safe for young women travelling alone in the dark, and she's in no rush to get home, where she knows a grave secret is due to blow her family apart.

Alice has been lying to herself for years, holding fast to the belief that the needs of her family far outweigh her own. But her outwardly successful marriage hides dark secrets, and for much of her life the children were the only reason she stuck around. These days, though her successful banker son lives nearby, his young wife seems to do everything she can to keep Alice at bay. As for Alice's other son, he has always been something of a stranger and has been traveling for so long that Alice isn't even sure what continent he is on anymore.

At thirty-three, nurse Heather is desperately waiting for her romantic life to begin. Then she meets handsome, strong Anthony and is sure she’s found the one. Brushing any doubts aside, she projects all her hopes for true love onto him. Meanwhile, at a yoga retreat in Spain, happy-go-lucky Joe can’t believe his luck when he meets vivacious, witty Amy. She’s the sharpest, most beautiful woman he has ever dated, and the fact that she’s interested in him feels like a dream come true.

Seven years after his sister vanished without a trace, Jude is on the road, determined not to return home until he has found her. He wants to reunite his broken family, but more than this he wants to know why Zoe left. They’d been enjoying the funfair - grasping a rare moment of happiness following their parents’ divorce - when after a ride together, Zoe had stopped speaking to her mother’s new partner. Though Mandy believed he was the man she’d waited all her life for, her love for her daughter trumped even that.

Alice Tandy has dreamed of her wedding since she was a little girl. The perfect venue, the perfect dress, the perfect groom. It’s all going exactly to plan. But then her whole world comes tumbling down. Just as she and her new husband, Ben, are cutting their wedding cake, three policemen storm in and arrest Ben. Alice looks on in horror, unable to comprehend what is happening. Did they say murder? The next day, Ben is released on bail, but for Alice, the nightmare is only just beginning.

It was surreal returning to work after a five-month enforced sabbatical following the suspicious death of my best friend Livvy at a work event. I was grateful for the time away to grieve and had slotted straight back in work but a surprise awaited my return. Amanda Dowd, Livvy’s replacement, was entrenched as my new flatmate in the company apartment. Something didn’t feel right, I felt on edge. But everyone seemed to love her. Even my ex-Jayden was blinded by her outgoing personality and model looks.When I began to receive calls, photos and presents supposedly from Livvy, I became spooked.

The summer in question started out with hot, fun-filled days and new friendships. We had just turned thirteen and had our whole lives ahead of us. But that was before her. Before we became known as the Hixton Five and our lives become defined by one night. It’s hard to believe twenty years have passed since she was locked away. But now she’s free and strange things have started to happen. When I close my eyes, the creeping anxiety and fear is overwhelming and all too real. Because the monster is back, and I know she has a score to settle with us.

The Daughter. My father is innocent. He’s spent almost four years behind bars, but now he’s getting out. I gave up everything to be there for him, just like he was always there for me. The Girlfriend. As soon as I opened the paper that day and saw that picture of Sandy, I didn’t care about the story surrounding it. There’s no way he hurt that girl. Now he’s out, we’ll get married and I’ll finally get to meet his daughter.The Other Woman. No one knows what happened all those years ago, and the life I built depends on no one finding out.

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

Sophie, Emily, Amy, and Melissa have been best friends since they were girls. They have seen each other through everything - from Sophie's private fear that she doesn't actually want to be a mother despite having two kids, to Amy's perfect-on-the-outside marriage that starts to reveal troubling warning signs, to Melissa's spiraling alcoholism, to questions that are suddenly bubbling up around the paternity of Emily's son. But could a lie that spans just as long as their friendship be the thing that tears them apart?

Thirty-four-year-old Ruby Bridge is a not-too-successful comedienne who uses her mother, a nationally-syndicated "moral and spiritual counselor" as the main fodder for her cynical, rather bitter humor. Her mother Nora, long divorced from Ruby's father, is a woman whose past is just about to catch up with her - in the form of blackmail by a former lover.

Adelaide Hills, Christmas Eve, 1959. At the end of a scorching hot day, a local deliveryman makes a terrible discovery. A police investigation is called, and the small town of Tambilla becomes embroiled in one of the most shocking and perplexing murder cases in the history of South Australia. Many years later and thousands of miles away, Jess is a journalist in search of a story. Having lived and worked in London for nearly two decades, she now finds herself laid off from her full-time job and struggling to make ends meet. Until a phone call out of nowhere summons her back to Sydney.

Lara's life looks perfect on the surface. Gorgeous doting husband Massimo, sweet little son Sandro and the perfect home. Lara knows something about Massimo. Something she can't tell anyone else or everything Massimo has worked so hard for will be destroyed: his job, their reputation, their son. This secret is keeping Lara a prisoner in her marriage. Maggie is married to Massimo's brother Nico. She knows all of Nico's darkest secrets - or so she thinks. The one day she discovers a letter in the attic....

Savannah was four years old when her twin sister, Georgia, went missing from their small Louisiana town, fracturing their family. Twenty-eight years later, Savannah convinces her estranged older sisters, Rayanne and Sue Ellen, to honor the pact they made as children and retrieve the time capsule they buried in their old backyard. But coming home means confronting old ghosts…and their stubborn grandmother, Meemaw.