One tropical island. Four couples. They believe they’re on a TV show to save their marriages. But the people behind the cameras know all their secrets. They’re going to be revealed, one by one. Because everyone has something to hide…

Every Monday, I meet my writing group in a warm, lively bar to drink a glass of wine or two and share our work. It’s the highlight of my week. I don’t go out much, otherwise. For the last ten years, every time I’ve relaxed, the messages have started again. The black hearts. They’re a warning to remember, as if I could ever forget. Whoever sent them wants to hurt me. They’ve lost me jobs and boyfriends. Is it any wonder I like to hide in fiction?

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.

Noel never should have been released from prison. My job helping ex-prisoners turn over a new leaf usually warms my heart, but as soon as I lock eyes with Noel the skin along the nape of my neck prickles. He wasn’t locked up for a petty crime; it was manslaughter. And now he’s dating my sister. Brooke says she’s never met a man who makes her feel so cherished and protected. That a single brush of his hand makes her heart flutter. A knight in shining armor who will finally lay to rest the twisted secrets in her past.

Meet Alexandra Mallory. She loves martinis and men, but hates misogynists. Men want her. Women are strangely drawn to her, but they don't always know why. She has an insatiable curiosity and sometimes takes risks she shouldn't. Trying to escape the consequences of her risky behavior, she rents a room in a clifftop bungalow, where she finds herself caught in a web of deception and jealousy. When she untangles the lies, she's compelled to right a terrible wrong, even at the risk of revealing secrets of her own.

My husband is lying. The minute he came home with alcohol on his breath and unable to look me in the eyes I knew it. We used to be in love–the intense ‘I can’t be without you for a second’ kind. Where it hurts deep to be apart. But now, we’re the couple that keep secrets from each other. We hide the truth. He thought I wouldn’t find out. I’m a detective–it’s literally my job to uncover clues and solve mysteries. I know what he did. And now I’m sitting here, in a police interview, being asked the question ‘did you kill her?’ to which I utter one life-shattering word: ‘yes.’

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?

The moment I first gazed into Alex's soulful gray eyes, I knew I'd met the man I wanted to spend my life with. And I was right. When my beloved sister vanished, Alex put up posters and wiped away my tears after bad dream—she put me back together. But when police pull a crumpled photo from my dead sister's pocket, and I see my husband's familiar face smiling back at me, my perfect world shatters.

The deeper the secret, the darker the shadow. Ten years ago, Jolene nearly killed her friend Elizabeth in a gruesome accident. And no one has any idea. Not even Elizabeth. Jolene has been trying to outrun the guilt ever since, wandering from place to place and career to career. So she’s shocked when, after her latest move, she runs into the very person she’s been trying to avoid for ten years. Elizabeth still lives with scars from the accident. And she’s still clueless about what happened that fateful night.

When Alex invites new to the neighborhood Cleo Baird to join her tight-knit playgroup, Cleo can’t believe her luck and knows she has just the “in” she’s been hoping for. But it isn’t just luck. As the women grow closer and Alex shares more secrets, she doesn’t realize Cleo is keeping secrets of her own. It’s no coincidence that Cleo and her daughter moved to Oak Valley. Cleo came to town with a specific goal in mind: to destroy Alex’s enviable and seemingly perfect life.

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.

Ellie is leaving her husband … again. After twenty-two years of marriage and an unsuccessful separation, she can’t take it anymore. On the surface, she has a picture-perfect relationship. Jeff has been a steadfast spouse. But what seems like loyalty is in reality an obsessive desire for control. Ellie is slowly losing her sight, which means she needs more and more assistance, and Jeff will stop at nothing to ensure she feels helpless and reliant on him alone.

Isolated and embroiled in a custody battle, Mary is desperate for a friend. So when she meets the charming and enigmatic Willa at a Brooklyn playground, their connection feels fated. But during a margarita-fueled moms’ night out, Mary shares her darkest secret about her ex, George, and the next morning Willa simply disappears. No calls, no texts, nothing.

They never considered how his wife might react, or that by the end of the summer a man would be dead. But Blakely always got her way, and the others followed her lead—even when they knew it was dead wrong. The girls had been friends from day one at Camp Pendleton, a haven for gifted children. But their senior summer was different. When Mr. Crosby, the handsome tennis coach, wound up murdered after a reckless lie, Blakely, Grace, Meg, and Thera swore themselves to secrecy. And never spoke to each other again.

Cassidy Foster is heartbroken, stuck in life, and getting a little too obsessed with plants. Then when a well-connected friend becomes sick of Cassidy’s moping and gets her a gig with famous Hollywood couple, Marisol and Nate Sterling, Cassidy jumps at the chance to move to sunny L.A. All Cassidy has to do is be available a few hours a week for errands. But Cassidy learns she was hired for a different purpose. The Sterlings aren’t the perfect couple. Marisol isn’t the perfect wife. And when one of them is found dead, Cassidy becomes the perfect suspect.

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.”

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.

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.

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.

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.

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.

They were madly in love. The perfect couple. That was the story everyone in South River believed...until Gin Talcott and Adam Archer are found shot in their bed. Adam is dead at the scene. Gin is fighting for her life. Detectives Greta Jessup and Finn Pate are assigned to the case. Greta has a long history with Gin’s first husband, Eddie, and is determined to protect his 18-year-old twins. Piper discovered the bodies. Daniel is missing—and so is Adam’s gun.

Sloan will go through hell and back for those she loves. And she does so, every single day. Caught up with the alluring Asa Jackson, a notorious drug trafficker, Sloan has finally found a lifeline to cling to, even if it’s meant compromising her morals. She was in dire straits trying to pay for her brother’s care until she met Asa. But as Sloan became emotionally and economically reliant on him, he in turn developed a disturbing obsession with her—one that becomes increasingly dangerous every day.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.