Laura is married, she has a good home, and she is due to give birth to her first child any day now. But her perfect world is shattered when her husband comes home flustered and afraid. He's made a terrible mistake. He's done a bad thing. And now the police are going to be looking for him . . . There's only one way out of this. He wants to run. But he won't go without his wife.

When three women head to Portugal for a long weekend in the sun, the goal is to celebrate an upcoming wedding. Jane is getting married, and Angela and Maya want to give her a good time before she does. But the carefree getaway soon goes awry, and by the time the friends board their flight home, they are all carrying a terrible secret. It's one that could ruin each of their lives, which is why they make their pact—they agree to tell no one else what happened while they were away.

Happily married couple Katie and Sean have plenty to look forward to as they move into their new home and plan for the future. But then they meet two of their new neighbours and everything on their quiet street suddenly doesn't seem as desirable as it did before. Having been warned about the other neighbours, and their adulterous and criminal ways, Katie and Sean realise that they are going to have to be on their guard if they want to make their time here a happy one.

Rebecca and Sam are happily married and enjoying a typical Saturday night until a knock at the door changes everything. There is a woman outside, and she has something to say. Something that will change the happy couple's relationship forever. With their marriage thrown into turmoil, Rebecca no longer knows who to trust, while Sam is determined to find out who that woman was and why she came to their house. Desperate to save his marriage, Sam is willing to do anything to get the truth, even if it means breaking the law.

Adele has had a colorful romantic past, but she's finally found her soulmate in Tom. They're engaged, and she's looking forward to a future of blissful happiness. But then she realizes her ex-boyfriends are turning up dead. At first, the deaths seem accidental, but soon a sinister pattern emerges. All of Adele’s former partners are being killed off—in the order she dated them. As the body count grows, Adele has to figure out who is doing this and why. Otherwise, it’s only a matter of time until the killer gets to Tom.

Alison is happily married to Graham, or at least she is until she discovers that he has been cheating on her. Her husband has broken the vows that he made on their wedding day. How could he do it? It takes Alison a while to figure it out, but at least she has time on her side. Only that is where she is wrong. A devastating diagnosis means the clock is ticking faster now, and the betrayed wife must act fast if she wants revenge on her cheating partner. Alison does just that, implementing a dangerous and deadly plan, and it's one that will have far-reaching consequences.

Sarah is in a loving relationship with Paul, a man she hopes to one day marry and start a family with, until his untimely death turns her world upside down. Trying to come to terms with her loss, Sarah finds comfort in looking through Paul's old things, including his laptop and his emails. But Sarah begins to discover things about her late partner that she never knew before, and it seems he wasn't as perfect as she thought. As she unravels more about his secretive past, she ends up learning things that not only break her heart, but that the police would be interested to know too.

Simone used to be the woman that other women would use if they suspected that their partner was cheating. She would investigate, find out the truth, and if the men were guilty, exact revenge. But after things went wrong with one couple, Simone was forced to go into hiding. Simone is now Mary, a mild-mannered woman who doesn't raise her voice or get angry, meaning nobody would suspect her of being capable of the things she used to do for a living. But when she finds out that her new boyfriend is having an affair, it awakens in her the person she used to be.

Maria and William seem to have it all: two happy children, a beautiful house, a thriving business. But when their home is invaded by David, an ex-employee with a score to settle, the couple face a terrifying fight to survive. During the course of one hellish night, David picks apart their carefully constructed life. Secrets are unearthed, truths revealed. And soon David begins to wonder if he’s bitten off more than he can chew—because he’s discovering Maria and William are not the defenseless couple he imagined.

Max and Nadine Murphy have a tradition. Friday night is date night and it's always at their favorite restaurant. But that regular routine means somebody at the restaurant has become fond of them . . . Hannah is the waitress who has found herself drawn to the couple at Table Six and the more she observes them, the more she wants to know everything about them. What is their home life like? What do they do for work? Why does Mrs. Murphy look agitated? And could Mr. Murphy ever be interested in becoming romantically involved with his waitress?

When Ellie tells me she has a new boyfriend, I am absolutely thrilled and can’t wait to meet him. She finally seems so happy and in love. But there’s a catch. Ellie has never met him in person. In fact, he doesn’t even live in the same country. Our home is in England, but Daryl is in Los Angeles.

My husband is a doctor. He’s smart and charming, and everybody trusts him. Except me. On the surface, it looks like I have it all–the perfect marriage, the perfect husband, the perfect life. But it’s far from the truth. Doctor Drew Devlin is not the respectable figure he makes out to be. The reason we moved to this beautiful, old property with a gorgeous view of the sea was because we needed to put our past behind us. It should’ve been a fresh start for us both.

When happily married Grace comes home early one night and catches her husband, Dominic, with another woman in the cabin at the bottom of their garden, she is shocked, angry, and most of all, hell-bent on revenge. That’s why she acts quickly, locking the pair in the cabin while she decides what she wants to do to them.

Megan thinks that she has the perfect husband and the perfect life. Craig works so that she doesn't have to, leaving her free to relax all day in their beautiful and secluded country home. But when she starts to long for friends and purpose again, Megan applies for a job in London, much to her husband's disappointment. After Megan goes against his wishes and attends the interview, Craig decides that it is time to act. Locking her away in their home, Megan realizes that her husband never had her best interests at heart, nor did they meet by accident. Craig has been planning this.

Two days ago, the Wilson family checked into the imposing, glass-fronted Lodge, surrounded by snow and perched perilously on the edge of a cliff looking out to a gray sea. Not everyone was looking forward to the family get-together. But mother-in-law Angela insisted the winter trip would help heal their rifts....