She knows everything about you… but can you trust her? I walk in to my interview with Ava Green and carefully hand over my application. It’s all made up, of course, but Ava doesn’t have to know that. There is so much worry in her blue eyes. Her phone pings with constant messages and a small stain marks her crisp shirt. Breakfast with her two little girls before heading out to this high-flying job every morning can’t be easy. Ava needs me, I think. More than anything.

Stay-at-home mother Marta lives in her successful husband’s shadow, overlooked by him ever since her darling son Owen went to medical school. She’s not about to let the beautiful Gina take Owen away from her. Marta will play nice, get Gina to trust her. And then she has a plan of her own.

California, 2003: Finn “Kat” Jackman is a 10-year-old girl living with her tween sister, father, and beloved housekeeper. When a 13-year-old girl disappears from a party at Turtle Lake, and the word LIAR written in blood is discovered on the trunk of a nearby tree, Kat’s life is turned upside down. What we know: Three teenagers went to the lake that night but only two came back. Later, they confess to murdering their friend. But why? And did they act alone? And what was the involvement of the mysterious and alluring Manson-like figure Ryder Grady?

When you return from a work trip to find your husband dead in the pond, it’s best not to call him a liar and a cheat in front of the cops. Especially when you’ve spent the last few years telling anyone who’ll listen that you sometimes fantasize about killing him. It makes you look kind of, well, guilty.

Your husband was involved in a fatal accident. One horrific sentence, delivered in an impersonal phone call, changes Celine Thompson’s life in a second. But when she’s asked to identify his body, what she discovers sends everything she thought she knew about her life crashing down. This man is not my husband. But who was the man who died driving Tate’s car? How did he have Tate’s possessions and, more importantly, why do they sport identical tattoos?

Dean and Amber are on vacation at a quiet lakeside resort, hoping to fix the cracks in their marriage. Their only companions are the couple next door—Sophie, a beautiful redhead, and the mysterious Marc, who appears to be hiding something. Before long, Amber begins to suspect the pair aren’t who they say they are. Obsessed with uncovering the truth, she digs into the couple’s past. As she struggles to rekindle her marriage while investigating the neighbors, Amber soon realizes that she can’t trust anyone. Just who are the enigmatic people next door? And are some secrets better off buried?

Brooklyn psychiatrist Dr. Caroline Strange is certain she knows what's best for her patients, her family, and pretty much everyone else, but that all changes when a troubled young man arrives for his appointment and makes a pair of alarming confessions: I am going to kill someone, and I know who you really are. Dr. Caroline is accustomed to hearing her patients’ deepest, darkest secrets, but it seems Nelson Schack may be one step ahead when detectives show up later that day, inquiring about a missing woman.

Everything is going to be perfect. Greyson comes home from deployment to live the life she and her husband Caden dreamed of. He has a surgical residency, and she has a psychiatric practice in the basement of their Manhattan brownstone. Caden loves his wife more than he can measure. But he starts hearing whispers. Someone else loves her. Someone else wants her. There's someone else, and though whoever's behind the whispers will move mountains to have her, Caden will move heaven and earth to keep her.

Twenty-five years ago, a young girl left home to walk to school. Her younger sister soon followed. But one of them arrived, and one of them didn’t. Her sister’s disappearance has defined Willa’s life. Everyone thinks her sister is dead, but Willa knows she isn’t. Because there are some things that only sisters know about each other—and some bonds only sisters can break. When Willa is invited to a party thrown by her first love, she has no reason to expect it will be anything other than an ordinary evening But nothing about Willa’s life has been ordinary since the day her sister disappeared.

When Amy Gibson's mother is brutally murdered by her boyfriend, Amy's world is completely undone. Overcome with grief and heartache, she withdraws from everything around her—college, her friends, her entire life. Until her estranged half-brother, Oliver, saves her, pulling her back into her life and giving her family. Giving her a home.

A young nanny who plunged to her death, or was she pushed? A nine-year-old girl who collects sharp objects and refuses to speak. A lawyer whose job it is to uncover who in the family is a victim and who is a murderer. But how can you find out the truth when everyone here is lying? Rose Barclay is a nine-year-old girl who witnessed the possible murder of her nanny—in the midst of her parent's bitter divorce—and immediately stopped speaking.

After experiencing a terrible loss, New York City psychiatrist Meredith McCall feels painfully adrift. When she crosses paths with a man with whom she has a tragic connection, she follows him, sparking an unhealthy obsession with Gabriel Wright. How is he doing so well while her life is in shambles? But when Gabriel walks into her office as a patient, seemingly unaware of who she is, she knows it crosses all ethical and moral bounds to treat him. Yet, Meredith can’t bring herself to turn him away and becomes further entangled.

I thought he was dead. Until I saw him staring back at me… Ten years have passed since my beloved sister was murdered, leaving behind her sweet five-year-old daughter, Lily. I’m trying my best to care for Lily and salvage what’s left of our shattered family. I promised to keep her safe after all she’s been through, and after a lot of challenges, I hope she might be starting to lead a normal life again. But then I see a face in a photo I took just yesterday that turns my blood to ice.

Looking out at our beautiful estate, the home I thought we’d raise our future children in, I watch helplessly as my husband Paul takes his mistress’s arm and leads her inside. My heart twists as they laugh together, without a care in the world. If he and Marianne think they can start over without me, they’re gravely mistaken. I worked myself to the bone for him, keeping our home pristine, supporting his art, using funds from my business to keep us afloat. Tears fill my eyes as I remember all the lonely nights I spent waiting for him to come home.

When single mom Jo Dykstra was at her lowest—jobless and penniless—her childhood friend Dana McFarlane helped her out big-time by securing her a teaching job and thus an opportunity for a new life in the affluent Pacific Northwest town of Glebes Bay. So, when Jo gets a frantic late-night call from Dana, sobbing and desperate for help, it feels like a chance to help her friend in return.

When Sasha receives a call from her old university friend Gabby inviting her to spend Christmas at Gabby’s remote Scottish lake house, Sasha knows she shouldn’t go. Twelve years ago, on Christmas Eve, when Sasha and her five closest friends were celebrating the festive season, something truly horrific happened that would change the course of their friendship forever. Something that meant Sasha hasn’t spoken to any of them since that night.

After the killing of a prominent mob lawyer, NYPD homicide detectives Jacob Jackson and Caitlin Grimes start receive chilling, written “rules” for how to commit the perfect murder. "Rule number one for the perfect murder: Evidence is your enemy. Leave none behind." Jackson (Reid Scott) and Grimes (Cobie Smulders) race to find the killer, setting them on a collision course with the city’s crime underbelly, and a perpetrator who seems happy to toy with them. “Rule number two. No crimes of passion. The perfect murder is always business, never pleasure.”

England, 1914. The world is at war. Captain Hastings, injured and shaken, is invited to Styles Court to recover. It’s a grand old country house - the family home of his old friend - and a perfect haven. Or so it seems. But in the blistering summer heat, trouble is afoot. Simmering tensions are tearing the family apart, and it all comes to a head in the most horrifying way.

Jenny sits in the same seat on the same train every week, seeing familiar faces come and go. Until a chance encounter shatters her world. Sixteen years ago, Jenny survived a traumatic ordeal that left her best friend, Susie, missing and presumed dead. The world has its theories about what happened to Susie Patterson, and one of those theories points the finger at Jenny. Now she lives a quiet life, volunteering at a crisis helpline while trying to deal with her own anxiety and the true crime fans obsessed with finding her missing friend.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Kidnappers grabbed Jenna in broad daylight, right in front of her children and their horrified classmates. Her family was issued an insane ransom demand: $25 million in cash and jewels, payable by the end of the school day, otherwise they’ll never see her again. As Jenna’s mother scrambles to gather the money, detectives Mo Butler and George Ortega follow the trail of the kidnappers, which will lead them through a sordid landscape of jealous lovers, broken dreamers, and twisted schemers. But every second counts, and there’s one thing Jenna Wade doesn’t have: very much time.

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

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.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Everyone thinks my husband is dead. Just like we planned. Eleven years ago, my husband disappeared. Eleven long hard years I waited, my heart breaking for our son, who didn’t know his father was coming back. Today, my hands shake as I try to understand what I’ve just learned: my husband has a new wife. This wasn’t part of our plan. Eleven years ago, my husband made a terrible mistake. I sacrificed everything to help him fix it. But now he’s put our son and me in danger again. We had a plan. He broke the rules. But who will pay the price?

On paper, Claire has it all. A long and happy marriage, two lovely daughters, and a big house in the country. But she’s hiding a secret… Struggling with issues from her school days, Claire finds her life beginning to unravel as she seeks comfort in the arms of her best friend’s husband. When she learns of a school reunion, she sees her opportunity to put things right. But even the best-laid plans can go awry, and not everyone is willing to forgive and forget.

California, 2003: Finn “Kat” Jackman is a 10-year-old girl living with her tween sister, father, and beloved housekeeper. When a 13-year-old girl disappears from a party at Turtle Lake, and the word LIAR written in blood is discovered on the trunk of a nearby tree, Kat’s life is turned upside down. What we know: Three teenagers went to the lake that night but only two came back. Later, they confess to murdering their friend. But why? And did they act alone? And what was the involvement of the mysterious and alluring Manson-like figure Ryder Grady?

When a construction crew unearths the body of a young girl near the McCulloughs’ vacation home on Orcas Island, Hannah has no choice but to confront her past. She wonders how much Allan knows about the victim and the apocalyptic cult she was connected to. Meanwhile, Allan can’t seem to understand why his beautiful young bride, as polished and pristine as the collectible artifacts in his glass case, would threaten their fairy-tale lifestyle by digging too deep in places she knows she shouldn’t.

The mass suicide of a cult known as The Flock sent shockwaves through the small rural town of Iola, Michigan. Led by the charismatic Dominic Bragg, The Flock camped at an abandoned bird sanctuary before their sudden and shocking demise. The deaths came just weeks after one of their members, Laurel Tai, a local pageant queen, was abducted. The town turned its blame and fear onto the sole survivor, Claire Kettler—Laurel’s best friend. Burdened by grief and unanswered questions about her friend’s murder and her fellow cult members’ deaths, Claire can’t help but wonder what really happened.

My first mistake was raising my daughter to be just like me… His death is reported on the morning news. The man my daughter’s been dating. Dead. Gone… I blink slowly–once, twice, three times. The hair on the back of my neck rises as I grip my coffee harder. My breath comes in short bursts. I didn’t even know he existed until recently. Leah doesn’t tell me anything anymore. But I found the letters she hid. I know she fell head over heels for him. That he broke her heart.

Laura's on the verge of living the life she's always wanted. At the age of twenty-seven, she put her career plans on hold, married handsome widower Peter Foster, settled down in his Silicon Valley home, and helped raise his two children. Twelve years later, its her turn to shine. Her career is thriving, the kids are out of the house, Peter's company is on the verge of an FDA approval that could garner a windfall in stock gains for them, and she's training for the Kona Ironman.

Cate Winter, at 34, is a wildly successful neuroscientist and entrepreneur who has invented a cure for Alzheimer's that will improve the lives of millions. On the verge of selling her biotech company for an obscene sum, she is also about to become very rich. But Cate has a secret that keeps her deeply uneasy about everything she is and does: she grew up at the Cleckley Institute, a treatment facility for the rehabilitation of psychopathic children. And, as far as she knows, she is the institute's only success: all of her peers have become thwarted, maladjusted or even criminal adults.

After my first husband died, I thought my heart was completely broken, and that I’d never feel happy again. Until I met Theo. He’s a doctor. A man who seems good and caring and kind. Soon after we start dating, he says he wants to marry me. And even though his grown-up children are less sure about me, to everyone else it’s the second chance for love and happiness I deserve. But the truth is maybe his children are right to be suspicious. Because I know something about Theo. That he was there in the operating theatre the day my first husband died. And I think it was his fault.

When I first meet Sophie, she seems like any normal loving mother, trying desperately to help her teenage daughter. That’s where I come in. The perfect tutor to get Katie’s life back on track. I connect instantly with Katie, and Sophie’s thoughtful husband Scott. But Sophie’s dark eyes are full of jealousy when I talk to Scott or share a smile with Katie. I know I’m helping her daughter, whatever she thinks.

Rachel and Matt have it all. They are a beautiful couple—from their tastefully renovated house to their highly successful careers. But beneath the happy façade lies a relationship strained by secrets and lies. While Rachel grows increasingly restless, Matt can't stop thinking about Hannah, Rachel's former best friend who they haven't seen for seventeen years... When Hannah suddenly arrives on their doorstep in the middle of a snowstorm, Rachel and Matt's perfect marriage begins to crack dangerously.

Thirty-six-year-old stay-at-home soccer mom Kate Burke is happily married to Matt Parsons, although their marriage looks very different behind closed doors. Kate is no longer interested in having sex with her husband. So, while they still love each other madly, they make an arrangement: Matt can have one-night stands with other women on work trips, but when he returns home, he has to tell Kate about them—every juicy detail.

When actress and model Allison Langley leaves her former rockstar husband in the middle of the night, it’s all her Oak Hill neighbors can talk about. But the gossip comes to an abrupt halt when five-year-old Billy Barnes goes missing on his walk home from kindergarten. Billy’s mother, Rachel, blames herself for being at work and letting her only child walk alone. Cassidy, Billy’s teenage babysitter, was also late to arrive on the afternoon he disappeared and blames herself for his disappearance.

Recently divorced Cerys thought buying a luxury Tuscan villa would be the fresh start she so desperately needed. But a year later, she's struggling to move on from the pain of her past. Determined to make Villa Lucia a success, she's pinned all her hopes on this season's guests. Until one of them is found murdered in the villa's infinity pool. Now, as the police descend on the property, the secrets of her guests begin to unravel, and Cerys is forced to confront her own demons

No one ever thinks the unthinkable will happen... When Grace Hughes’s family was murdered outside their suburban home the police told her it was a senseless tragedy. Just another madman with a gun. Happens every day in America. One year later and still overwhelmed by grief, Grace struggles to make sense of her shattered world. Then Grace meets two abandoned children in desperate need of help and she discovers a newfound sense of purpose. But as Grace starts to heal, secrets about her husband’s past unfold.

I didn’t believe in the Rule of Three. Not at first. It was just one of those urban myths you hear about all the time. A story my boyfriend told me about a girl cursed by the number three. A girl whose parents had killed themselves after her sibling had died in an accident. Which meant that she was doomed to die too because that’s the Rule of Three. Bad things always happen in threes, they say, and they are right. Because it’s happening again.