It’s a beautiful day for a wedding. White roses scent the air and the summer sunlight streams in. A spoon chimes against a champagne flute and the room falls silent. And there he is - my husband - getting to his feet to propose a toast. He’s still handsome. His new wife is next to him, gazing upwards, oblivious. I’m not supposed to be here. All these years in the same town and I had no idea until I saw his name on the seating plan. He lived with me, once. Loved me. Small-town memories are long, but the people in this room don’t want to remember.

Nobody talks about my mother. Absolutely nobody. I have no idea what she was like. I’d always thought they kept quiet about her because they were sad. But what if it was because they were guilty?

Stella follows her handsome husband Rob to the beautifully laid-out table in the restaurant he’s chosen specially for her 40th birthday lunch. Stella knows how they must look to anyone watching. Two people very much in love, with the perfect marriage and the perfect life. But Rob is about to drop a bombshell on Stella. He wants a divorce. If she doesn’t agree to his plan - to sell the house, divide the money, and award him full custody of 14-year-old Georgie - he will tell their innocent daughter the one secret he promised to keep.

When I found out I was pregnant, I couldn’t have been happier. Ever since my own father died, I’d felt utterly lost. But you changed everything. Finally, I had found my purpose: to be the best mother I could be. But I couldn’t–wouldn’t–tell anyone who your father was. I could never forget the look in his eyes that day. The betrayal written across his face. All the things we didn’t say and the secret that tore us apart.

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.

After decades of pushing away traumatic memories from childhood, Colette De Luca is ready to start a family of her own. It’ll be healthy, a wish come true, with a man she believes is the love of her life. Thankfully, she thought ahead when she was younger and froze her eggs for this very moment. Greta O’Brien, a wealthy hedge-fund manager, is forced to confront the making of her own family when tragedy strikes her twin teenage sons.

Damian is just seven when he is taken in by foster carer Cathy Glass. His mother, Rachel, loves her three young children dearly, but she is vulnerable, naïve and unable to cope on her own. Cathy sets about helping Damian overcome his eating issues, with the hope that he will eventually return home. But when Rachel’s new boyfriend, Troy, arrives on the scene, Cathy becomes deeply concerned. She soon realises that Damian and his siblings are in great danger.

Every October, the school where I work takes a trip to a local farm to pet the animals and search for the perfect Halloween pumpkin. This year is even more special, as my daughter, Claire, is coming. She’s so excited, and we really need some fun time together after what we’ve been through.

Dani and her husband Tate’s life together is almost perfect. But Dani is haunted by guilt for causing a terrible car accident that left her unable to have children. She can’t remember why she was driving so fast that day or where she was going. Her therapist says she should try to move on.

The white-washed Italian villa is perfect. I thought it might feel odd, living in a stranger’s house for the summer, but as my husband and children swim in the infinity pool, I start to relax. And then, in the back of a wardrobe, I find something that shatters everything.... Sparkling green eyes, square jaw, lopsided smile. A young man with his arm around a beautiful woman. The picture is old and faded, but I’d recognize him anywhere. The man is my husband.

Newly married Natasha has the perfect house, a loving husband, and a beautiful little girl called Emily. She’d have it all if it wasn’t for Jen, her husband’s ex-wife who just won’t leave them alone. Then Natasha returns home one day to find her husband and Emily gone without trace. Desperate to get her daughter back, Natasha will do anything even if it means accepting an offer of help from Jen.

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.

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.'

When Mia James is washed up on a beautiful, sun-drenched beach, she has no idea who she is or what happened to her. She doesn’t even recognize her own face–until her boyfriend, Piers, comes forward, providing her with an identity. Piers is handsome and attentive, Mia’s home is huge and stylish, and her friends are eager to help her fill in the blanks. As Mia steps into the perfect life she was living before her accident, she should feel lucky to be alive. But she struggles to adjust, lost for words around people she is meant to know and love, grasping for clues about who she is.

Finally, Cath has met someone: a man she loves, Robin, and who adores her in return. And after years of managing fine on her own, running a successful business, raising her son and caring for her elderly mother, she feels she deserves some happiness. She expected everyone to be delighted for her. But her friends and family are suspicious of Robin. And Rebecca, a desperate single mother whom Cath has hired as a live-in housekeeper, doesn’t trust him either.