Newlywed Jade Westmore has finally found her forever in husband Wells, a charming, successful, and recently divorced architect—only there’s one caveat: behind the gates of their elysian estate, hidden from street view in the caretaker’s cottage … lives Wells’s first wife, Sylvie. Three years ago, the original Mrs. Westmore suffered a nervous breakdown—and hasn’t uttered a sound since. Not a physician, psychologist, or world-renown specialist has been able to elicit so much as a word from the silent woman … until now.

Meredith Price is the luckiest woman alive. Her husband, Andrew, is a charming and successful financial broker. She has two lovely stepchildren and is living in affluence in a mountain resort town. After three years of marriage, Meredith’s life has become predictable. Until the day she disappears. Her car has been discovered in a grocery store parking lot - purse and phone undisturbed on the passenger seat, keys in the ignition, no sign of struggle, and no evidence of foul play. It’s as if she vanished into thin air.

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.

On her fortieth birthday, Celia Guest has reason to celebrate. She has a loving marriage, a beautiful Connecticut home, and treasured friends. Celia has everything she’s ever wanted. But among the cards and well-wishes, she discovers a disturbing note: You don’t deserve any of this. Who could be so cruel, so resentful, so…knowing? Then, in the early morning hours, Celia vanishes without a trace.

After barely surviving a brutal attack, Brienne Dougray rarely leaves her house. Suffering from debilitating headaches and memory loss, she can rely only on her compassionate new tenant, Dr. Niall Emberlin, a welcome distraction from the discomfiting bubble that has become her existence. But Brienne’s growing confidence in her new routine is shaken when she stumbles across unsettling evidence that someone else is living as...her. Same name. Same car. Same hair. Same clothes. She’s even friended her family on social media.

Newlyweds Tricia and Ethan are searching for the house of their dreams. But when they visit the remote manor that once belonged to Dr. Adrienne Hale, a renowned psychiatrist who vanished without a trace four years earlier, a violent winter storm traps them at the estate… with no chance of escape until the blizzard comes to an end. In search of a book to keep her entertained until the snow abates, Tricia happens upon a secret room. One that contains audio transcripts from every single patient Dr. Hale has ever interviewed.

Eight years ago, Grace McMullen broke Sutton Whitlock’s heart when she walked away. But it was only to save him from the baggage of her own troubled past. Now all she wants is to make sure he’s okay. Only everything she learns about him online says otherwise. According to his social media accounts, he placed roots in her hometown, married a look-alike, and even named his daughter Grace. He clearly hasn’t moved on. In fact, it’s creepy. So Grace does what any concerned ex-girlfriend would do: She moves home…and watches him.

Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.

She's my roommate. I know how she takes her tea, how she organizes her closet. I know when she goes to bed each night, what she eats for breakfast, the passcode on her phone. I know she calls her mother on Mondays, takes barre on Thursdays, and meets her friends for drinks on Fridays. But more important than any of that...I know what she did.

Welcome to Stanhope. A safe neighborhood. A place for families. William Wooler is a family man, on the surface. But he’s been having an affair, an affair that ended horribly this afternoon at a motel up the road. So when he returns to his house, devastated and angry, to find his difficult nine-year-old daughter, Avery, unexpectedly home from school, William loses his temper. Hours later, Avery’s family declares her missing. Suddenly Stanhope doesn’t feel so safe. And William isn’t the only one on his street who’s hiding a lie.

When Kiersten McCann, president of the West Hollywood Moms’ Club, turns up dead in her own pool, it quickly becomes clear this wasn’t an accident. And the party guests—all members of the exclusive club—are now key suspects in her murder. Accusations fly, and three mothers find themselves at the center of the investigation. Whitney, Brooke, and Jade all have heavy secrets to bear…and possible motives for their friend’s murder. But as the police look closer, more secrets, betrayals, and sinister plots are revealed than the women could ever imagine.

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?

Psychiatrist Dr. Gwen Moore is an expert on killers. She’s spent a decade treating California’s most depraved predators and unlocking their motives - predators much like the notorious Bloody Heart serial killer, whose latest teenage victim escaped and then identified local high school teacher Randall Thompson as his captor. The case against Thompson as the Bloody Heart Killer is damning - and closed, as far as Gwen and the media are concerned. If not for one new development.

Everyone knows a couple like Jack and Grace. He has looks and wealth; she has charm and elegance. He's a dedicated attorney who has never lost a case; she is a flawless homemaker, a masterful gardener and cook, and dotes on her disabled younger sister. Though they are still newlyweds, they seem to have it all. You might not want to like them, but you do. You're hopelessly charmed by the ease and comfort of their home, by the graciousness of the dinner parties they throw. You’d like to get to know Grace better.

If Avery Chambers can’t fix you in 10 sessions, she won’t take you on as a client. Her successes are phenomenal—she helps people overcome everything from domineering parents to assault—and almost absorbs the emptiness she sometimes feels since her husband’s death. Marissa and Mathew Bishop seem like the golden couple—until Marissa cheats. She wants to repair things, both because she loves her husband and for the sake of their eight-year-old son. After a friend forwards an article about Avery, Marissa takes a chance on this maverick therapist.