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.

Jen Weinstein and Lauren Parker rule the town of Salcombe, Fire Island every summer. They hold sway on the beach and the tennis court, and are adept at manipulating people to get what they want. Their husbands, Sam and Jason, have summered together on the island since childhood, despite lifelong grudges and numerous secrets. Their one single friend, Rachel Woolf, is looking to meet her match, whether he’s the tennis pro. But even with plenty to gossip about, this season starts out as quietly as any other. Until a body is discovered, face down, off the side of the boardwalk.

The night that throws a wrecking ball into Abby’s life starts out perfectly at first. There’s still a hint of summer sun in the purple-streaked sky. Abby and her best friend, Sienna, look on fondly as their two husbands laugh under the garden gazebo. None of them know it’s the last time they will be together again. What starts out as just a little fun has devastating consequences for the couples. Alone with Sienna’s husband, Greg, Abby finds him unexpectedly charming. Caught up in the moment, she reveals a secret she swore never to tell.

The perfect neighborhood can be the perfect place to hide… Who wouldn’t want to live in Brighton Hills? This exclusive community on the Oregon coast is the perfect mix of luxury and natural beauty. Stunning houses nestle beneath mighty Douglas firs, and lush backyards roll down to the lakefront. It’s the kind of place where neighbors look out for one another. Sometimes a little too closely…

At an elite private school nestled in the Colorado mountains, Natalie, an office assistant, dreams of having a life like the school moms she deals with every day. Women like Brooke—a gorgeous heiress, ferociously loving mother and serial cheater—and Asha, an overprotective mom who suspects her husband of having an affair. Their fates are bound by the handsome assistant athletic director Nicholas, whom Natalie loves, Brooke wants and Asha needs.

Stephen Aston is getting married again. The only problem is, he's still married to his first wife, even though she is in a care facility for dementia. But he'll take care of that easily, by divorcing her—even if his adult daughters protest. Tully and Rachel Aston look upon Heather as nothing but an interloper. Heather is the same age as Rachel and even younger than Tully. Clearly she's a gold digger and after their father's money. Heather has secrets that she's keeping close, and reasons of her own for wanting to marry Stephen.

The Home Group is a glamorous collection of celebrity members' clubs dotted across the globe, where the rich and famous can party hard and then crash out in its five-star suites, far from the prying eyes of fans and the media.

As children, Sam and Elli were two halves of a perfect whole: gorgeous identical twins whose parents sometimes couldn’t even tell them apart. They fell asleep to the sound of each other’s breath at night, holding hands in the dark. And once Hollywood discovered them, they became B-list child TV stars, often inhabiting the same role. But as adults, their lives have splintered. After leaving acting, Elli reinvented herself as the perfect homemaker: married to a real estate lawyer, living in a house just blocks from the beach.

Ainsley Greenburg is a fixer. It’s what she prides herself on. So when Ainsley realizes her marriage is at its breaking point, she makes a decision to repair it, no matter the cost. Approaching her husband to propose the arrangement is supposed to be the hard part, but Peter agrees to the salacious plan almost immediately. The rules are simple: They will each date someone new once a week. They will never discuss what happens on the dates. Soon, though, the rules are broken, turning terrible mistakes into unspeakable consequences.

Medical student Amy Brenner is spending the night on a locked psychiatric ward. Amy has been dreading her evening working on Ward D, the hospital’s inpatient mental health unit. There are very specific reasons why she never wanted to do this required overnight rotation. Reasons nobody can ever find out. And as the hours tick by, Amy grows increasingly convinced something terrible is happening within these tightly secured walls.

Jason Bennett is a suburban dad who owns a court-reporting business, but one night, his life takes a horrific turn. He is driving his family home after his daughter’s field hockey game when a pickup truck begins tailgating them, on a dark stretch of road. Suddenly two men jump from the pickup and pull guns on Jason, demanding the car. A horrific flash of violence changes his life forever.

From the outside, my marriage to Zach was perfect: a dream home, a perfect baby girl, and passionate, all-consuming love. But as I cradle my gorgeous baby, I have to accept that the husband who used to be my everything has changed. At first, it was little things: expecting me to keep to a strict schedule, picking out my clothes for me. Now, he controls every aspect of my life: from how much money I have, to when I leave the house, and who I can see. I know deep down, only one of us will make it out of this marriage alive.

Cassie thinks she has met the perfect man. Joel is sweet, handsome, romantic, and best of all, he’s crazy about Cassie. She thinks she’s found the guy she’ll spend the rest of her life with. Have children with. Grow old with. Yes, she knows about his perfect ex-girlfriend, Francesca. The beautiful, brilliant chef, beloved by all his friends. But she thinks Francesca is out of the picture. She thinks Francesca is gone for good. Think again, Cassie.

"Are you my mummy?" Tessa Markham returns home to find a child in her kitchen. He thinks she’s his mother. But Tessa doesn’t have any children. Not anymore. She doesn’t know who the little boy is or how he got there. After contacting the police, Tessa is suspected of taking the mystery child. Her whole life is turned upside down. And then her husband reveals a secret of his own. Tessa isn’t sure what to believe or who to trust. Because someone is lying. To find out who, she must confront her painful past. But is the truth more dangerous than Tessa realises?

Emma loves her husband Leo and their young daughter Ruby: she’d do anything for them. But almost everything she's told them about herself is a lie. And she might just have got away with it, if it weren’t for her husband’s job. Leo is an obituary writer; Emma a well-known marine biologist. When she suffers a serious illness, Leo copes by doing what he knows best – researching and writing about his wife’s life. But as he starts to unravel the truth, he discovers the woman he loves doesn’t really exist. Even her name isn’t real.