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.

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.

Caroline’s mattress had nothing to do with her untimely death at the age of 28—this, she wants Tempur-Pedic’s market research representative to know. But as she reflects on her first ever mattress purchase and their interview progresses, Caroline dives into the circumstances and decisions that led her and Nicholas—her boyfriend, 10 years her senior and prone to sleeping on the floor—to that particular bed in that particular shopping plaza.

Tegan is eight months pregnant, alone, and desperately wants to put her crumbling life in the rearview mirror. So she hits the road, planning to stay with her brother until she can figure out her next move. But she doesn't realize she's heading straight into a blizzard. She never arrives at her destination. Stranded in rural Maine with a dead car and broken ankle, Tegan worries she's made a terrible mistake. Then a miracle occurs: she is rescued by a couple who offers her a room in their warm cabin until the snow clears. But something isn't right.

Growing up abandoned by her father and raised by a single mother, Celeste was determined to create the perfect family - but even perfect families have secrets. Her days are filled with a rewarding career, a devoted husband, and her four-year-old daughter. Celeste is the only one who knows the precarious house of cards her family is built upon - until the day her daughter falls critically ill. Then her world quickly spirals out of control, her secret threatening to destroy her marriage, family, reputation, and sanity.

Christopher and Hannah are a happily married surgeon and nurse with picture-perfect lives. All that’s missing is a child. When Janie, an abandoned six-year-old, turns up at their hospital, Christopher forms an instant connection with her, and he convinces Hannah they should take her home as their own.

There are only three things in this world that are certain: death, taxes, and babies. Nobody knows this truth better than Emily McCoy, a third year resident working in Baby City, the affectionate nickname for the busy Labor and Delivery unit at a New York City hospital. On a typical day in Baby City, Emily delivers more babies than the number of hours of sleep she manages to squeeze in that night. And definitely more than the number of dates she's been on since she started her training in OB/GYN two years earlier.

Sydney Shaw, like every single woman in New York, has terrible luck with dating. She’s seen it all: men who lie in their dating profile, men who stick her with the dinner bill, and worst of all, men who can't shut up about their mothers. But finally, she hits the jackpot. Her new boyfriend is utterly perfect. He's charming, handsome, and works as a doctor at a local hospital. Sydney is swept off her feet. Then the brutal murder of a young woman—the latest in a string of deaths across the coast—confounds police. The primary suspect? A mystery man who dates his victims before he kills them.

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.

Alexis Spencer thinks she has it all figured out. Even when life gets her down, she’s never too far away from another inspirational quote to rationalize her failures and ignore all her problems. Her boyfriend breaks it off, she loses her job, her closest friends are a distant memory, and her college debt is still as high as the day she left. In typical fashion, she blames the world for her problems, including her 18-year-old self who should have just tried harder and put their life on a better track.

Every brilliant person comes with problems. Even if that brilliant person is a child. At least, it seems that way for Nathan. All he wanted was a perfect family. Is that too much to ask? But instead of a perfect child, he got Cassie. She's a genius, sure, but she's not what he wanted. He doesn't care that she's a virtuoso on the violin or doing college level work at ten. She doesn't speak. Ever. To anyone. And Nathan knows that that means there's something wrong with her. No matter what his wife says, he has to do something about his daughter.

After their mother passes, three estranged siblings reunite to sort out her estate. Beth, the oldest, never left home. She stayed with her mom, caring for her until the very end. Nicole, the middle child, has been kept at arm’s length due to her ongoing battle with a serious drug addiction. Michael, the youngest, lives out of state and hasn’t been back to their small Wisconsin town since their father ran out on them seven years before.

My husband is dead. I attended his funeral. I watched his casket be lowered six feet into the ground. (Actually, it may have been only five feet, but that still seems like more than enough.) And then we ate an array of finger sandwiches and deviled eggs and miniature beef wellingtons that cost more than my first car. My point is, Grant is gone. And so are all his many, many deep, dark secrets which I never really ever bothered to ask him about. He is never coming back.

Cara is a devoted mother to two little girls. She loves her hectic life, but she looks forward to a relaxing weekend alone while her husband, Michael, takes the kids on a camping trip. But their dream trip turns into a nightmare when their daughters are taken, deep in the forest.

Eve has a good life. She wakes up each day, kisses her husband Nate, and heads off to teach math at the local high school. All is as it should be. Except… Last year, Caseham High was rocked by a scandal involving a student-teacher affair, with one student, Addie, at its center. But Eve knows there is far more to these ugly rumors than meets the eye. Addie can’t be trusted. She lies. She hurts people. She destroys lives. At least, that’s what everyone says. But nobody knows the real Addie. Nobody knows the secrets that could destroy her. And Addie will do anything to keep it quiet…