"Schoolgirl missing", the ticker reads, and the camera cuts to a girl’s face. Blonde hair waterfalling over her shoulders, serious eyes, lips a little parted like she’s about to speak. That’s when I realize I’ve been holding my breath, because the gasp when I inhale almost chokes me. Sadie Kelly has lost her job. Until last month, she was a teacher at Horton College - the same high school she went to 10 years ago along with her best friend, Fiona. 

Luke Richardson has returned home after burying Natalie, his beloved wife of sixteen years, ready to face the hard job of raising their three children alone. But there's something he's not prepared for - a blue envelope with his name scrawled across the front in Natalie's handwriting, waiting for him on the floor of their suburban Michigan home.

Forced to choose between abortion or adoption, Olivia Carson’s younger sister, Lily, runs away from home. Sixteen and pregnant, she never returns. But she writes. Once a year, Lily mails a picture of her son, Josh, to Olivia until his thirteenth year. Then it’s Josh himself who arrives at Olivia’s house, alone, terrified, and in possession of a notarized declaration from Lily. It begins, “In the event I go missing...”

It’s George and Mara Spencer’s 25th wedding anniversary, and the Spencer daughters are finally back under the same roof again: Lottie, the youngest, Mara’s adored only child, and Lottie’s two older half-sisters, Dinah and Vaughan, the daughters of George’s first marriage - a marriage that ended in a terrible tragedy, with the death of his beautiful young wife. In the years since, their father has found happiness again...but on this hot summer day in Birch Bend, when catastrophe strikes at the anniversary party.

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. 

Olivia Hamilton is married to the love of her life, Dean, a charismatic pilot who flies private jets for the rich and famous. But when he vanishes over the Bermuda Triangle, Olivia’s idyllic existence unravels. After years of waiting, Olivia must eventually let go of the fragile hope that her beloved husband might still be alive.

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.

Something strange is happening in Seabrook. The town's lighthouse - dormant for over 30 years and famously haunted - has inexplicably started shining, and its mysterious glow is sparking feverish gossip throughout the spooked community. Amy Tucker is only visiting for the night and has no plans to get caught up in the hysteria, but that changes when she meets Ryan, the loyal, hard-working son of a ranch owner who lives on the outskirts of town.

I never thought I would end up here. Alone, in a cold one-bedroom apartment, only seeing my precious daughter once a week. Another woman is living the life that was once mine. I wish I was still married to my ex-husband, the love of my life. I dream of tucking my five-year-old child into her ballerina bed sheets every night. I miss living in a beautiful house, the perfect family home, with a winding staircase and a sprawling garden. I’d do anything to be with my family again. To start over and prove to them that I’ve changed, that I won’t lose control like before.

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.

Abandoned by her fugitive ex-husband, Lily Brown is rebuilding her life on the edge of a Kansas town that still feels the sting of his crimes. Lily lies low, managing the isolated storage facility where she lives with her twelve-year-old son, Everett, and planning a better future for them both. That requires keeping secrets. Everett has them too. After breaking into a storage unit, Everett finds photographs and news clippings of five girls missing for decades.

When Edith finds photos of a mysterious woman on her husband's phone, the heartbreaking implications are all too familiar, and she sets out to discover the woman’s identity. What starts as a desperate search for answers quickly becomes a terrifying spiral of obsession and subterfuge. With each new secret uncovered about her life, her marriage, and the man she loves, Edith is left with even more questions. What exactly is her husband hiding? Who is the woman in his photos? 

When Eliza Whitney loses both her beloved husband and her high-powered job in the same month, she’s uncertain what the next chapter of her life will look like. At 53, she’s too young to retire and too old to start over. Then her estranged father’s widow contacts her and asks her to come to Sanibel Island to help settle his affairs. Eliza sees the trip to a place called Shellseeker Beach as a distraction from her loss and maybe a way to get some closure on the difficult relationship she'd had with her father.

Christine and Jessica cross paths working at the advertising agency Christine runs with her husband. These two women are about to uncover the dark secrets of their own traumatic pasts. But they have no idea that they are connected. The shocking truth of what happened at the wedding all those years ago, and what became of Margaret, is going to blow their lives apart in more ways than each of them could ever have imagined....

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.