It all begins on an ordinary fall morning, when Kelly Medina gets a call from her son’s pediatrician to confirm her upcoming "well-baby" appointment. It’s a cruel mistake; her son left for college a year ago, and Kelly’s never felt so alone. The receptionist quickly apologizes: There’s another mother in town named Kelly Medina, and she must have gotten their numbers switched. For days, Kelly can’t stop thinking about the woman who shares her name. Lives in her same town. Has a son she can still hold, and her whole life ahead of her. She can’t help looking for her.

We live in a close-knit community. Thirty houses surrounding a square of garden that is perfect for our kids. We congregate here on major holidays, each family bringing a plate and sharing food and conversation. It’s in the garden that I first met her. The woman who would worm her way into my family and piece by piece tear it apart.

I only try on one of Nina’s pristine white dresses once. Just to see what it’s like. But she soon finds out...and by the time I realize my attic bedroom door only locks from the outside, it’s far too late. But I reassure myself: The Winchesters don’t know who I really am. They don’t know what I’m capable of....

When Maggie sees the beautiful Venetian blinds moving in the Caldwells' front window, she freezes. Her favorite neighbors Cady and Josh are away, so who is in their house? The pretty young woman who answers the door tells a convincing story. She's Sarah. The house-sitter. Just here for a month. An old friend of Cady's who needed a place to stay. She's pleasant and warm, and Maggie wanders back to her house thinking she might have made a new friend. Yet she can't help but wonder why Cady never mentioned Sarah.

Kathy Hamilton drives away from her sister-in-law’s pristine-white suburban house in Maple Falls certain she’s left her daughter in safe hands. On the hottest day of the year, a birthday is the perfect excuse to gather friends, family, and neighbors around the pool for a barbecue. But when she returns hours later to find her little girl has vanished, her world shatters.

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.

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.

She met him through a dating app. An intriguing picture on a screen, a date at a downtown bar. What she thought might be just a quick hookup quickly became much more. She fell for him - hard. It happens sometimes, a powerful connection with a perfect stranger takes you by surprise. Could it be love? But then, just as things were getting real, he stood her up. Then he disappeared - profiles deleted, phone disconnected. She was ghosted.

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. 

When Ruth, a wealthy divorcé​e, offers to host the Hillside Academy kindergarten meet-and-greet, she hopes this will be a fresh start for her and her introverted daughter, Marley. Finally, they’ll be accepted into a tribe. Marley will make friends and Ruth will be welcomed by the mothers. Instead, the parents are turned off by Ruth’s ostentatious wealth and before kindergarten even begins, Ruth and Marley are outcasts.

She bursts into my life like a storm, and nothing is the same again. One by one, I watch as my friends fall under her spell. Only I see that her smiles don’t reach her cold, furious eyes. And when I’m accused of things I didn’t do, when my home is vandalized, I know she’s behind it. But she only lets her mask slip when no one is looking, so if I say anything, I’ll look crazy. So when the baby shower comes around, I’m sitting on a velvet sofa in a posh hotel room, surrounded by balloons. But that afternoon, I finally learn the unbelievable truth. There is no baby....

Everyone has secrets. YouTube baking sensation April Masterson knows the secret to the perfect gooey brownies. Or how to make key lime squares that will melt in your mouth. But if you keep watching her offline, you may find out some other secrets about April; secrets she’d rather you didn’t know - like where did her son go when he snuck out of the house? What was she doing with the local soccer coach behind fogged windows? And what’s buried in her backyard? 

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.

From the outside the parents of the kindergarten class at Darley Heights primary school seem to have it all. Living in the wealthy Sydney suburbs, it's a community where everyone knows each other - and secrets don't stay secret for long. The big date in the calendar is the school's annual fundraising trivia night, but when the evening gets raucously out of hand, talk turns to partner-swapping. Initially scandalised, it's not long before a group of parents make a reckless one-night-only pact. But in the harsh light of day, those involved must face the fallout of their behaviour. 

New friends Sam, Margaret and Diana are thrilled to be getting out of the city for a girls’ weekend - they’ve bonded over their messy divorces, and every mile on the odometer feels like another step towards putting their exes in the past. But when car trouble halfway into their trip strands them in the most unlikely of mountain towns, they come face-to-face with the hurts and betrayals they were so desperate to leave behind. When Diana doesn't return home after a night out, Sam and Margaret's search for her reveals just how little they know about their friend.