When Autumn Carpenter stumbles upon the social media account of the family who adopted her infant daughter years ago, she finds herself instantly drawn into their picture-perfect existence. From behind a computer screen, Autumn watches Grace's every memory, from birthdays to holidays to bedtime snuggles. But what starts as an innocent fascination soon spirals into an addictive obsession that comes to a screeching halt the day the McMullen family closes their Instaface account.

Meet Noah - an A-honor-roll student, award-winning swimmer, and small-town star destined for greatness. There weren't any signs that something was wrong until the day he confesses to molesting little girls during swim-team practice. He's sentenced to 18 months in a juvenile sexual-rehabilitation center. His mother, Adrianne, refuses to turn her back on him despite his horrific crimes, but her husband won't allow Noah back into their home.

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.

Merritt Coletto and her husband, Luca, have the life they dreamed of: a coastal home, a promising future, and a growing family. That dream ends with a late-night knock on the door. Weak, broken, and emaciated, it’s Luca’s first wife, Lydia. Missing for ten years, presumed dead, and very much alive, she has quite a story. Racked with guilt over the beautiful life they’ve built, Merritt and Luca agree to help get Lydia back on her feet - it’s the least they can do. But the more enmeshed Lydia becomes in Merritt’s family, the more questions Merritt has. 

Tia never harmed anyone. So why does someone want to destroy her? Tia is walking home with her children, along the lakeside of their quiet, safe town, when she realizes something is wrong with her five-year-old daughter, Rosie. She seems troubled, not at all her usual happy self. But when Tia finally coaxes Rosie to open up, she wishes she hadn’t. Because her sweet daughter asks a question Tia never thought she’d hear. "Mummy, why did you kill someone?"

Emily and Elizabeth spent their childhood locked in a bedroom and terrorized by a mother who drank too much and disappeared for days. The identical twins were rescued by a family determined to be their saviors. But there are some horrors love can’t erase....

Best friends Lindsey, Kendra, and Dani endure every parent’s nightmare when a tragic accident befalls their teenage boys, leaving one dead, another in a coma, and a third too traumatized to speak. Reeling from the worst night of their lives, the three mothers plunge into a desperate investigation of the bizarre incident. How could something so horrible happen in their wealthy Southern California suburb? They soon discover that the accident was just the beginning, and troubling discoveries lead to chilling questions: Do they really know their children? Do they even know each other?

Mia and Finn are busy turning a derelict house into their dream home when Mia unexpectedly falls pregnant. But just when they think the house is ready, Mia discovers a shocking message scored into a skirting board: I WILL SAVE THEM FROM THE ATTIC. Following the clue up into the eaves, the couple make a gruesome discovery: their home was once a real-life murder house, with the evidence still concealed within the four walls.

Leah and her three best friends get changed into their pyjamas, eat pizza, and argue about what film to watch. They laugh together, until the early hours. But the next morning, Leah blinks open her eyes and sees three empty sleeping bags. The other girls are gone. Twenty years later. In her small hometown, still-haunted Leah has never been able to shake off the rumours and whispers. How could she have slept through it all? She must know what happened.

I gaze at my husband’s once handsome face, so still and pale in the hospital bed. The doctors say I should keep talking. He might be able to hear me even after the terrible accident that left him fighting for his life. But all I have to whisper to my husband is this: "I know what you did."