Helen is nearly 40, and has, for far too long, had an affair with Matthew, a high-powered, much older, attractive, married man who was once, of course, her boss. After years of being disappointed by missed dates, out-of-the-way restaurants, broken promises, and hushed phone calls, at last Helen realizes it's time to dump Matthew and get on with her life. This, of course, is the exact moment when Matthew decides to leave his wife for her.

What if your first love came back on the scene...30 years later? After yet another disaster, Lorrie is calling time on online dating. She might be single in her 40s, but she's got a good job and wonderful children, and she's happy. This, Lorrie decides, is going to have to be enough. That is until she receives a very unexpected request from France. Antoine Rousseau, who had once turned a lonely French exchange trip into a summer of romance, wants to see her - after 30 years.

Meet Nell. Her life is a mess. When her business goes bust and her fiancé with it, Nell's happy ever after in California falls apart and she moves back to London to start over. But a lot has changed since she’s been gone. All her single friends are now married with children, a sky-high real estate market forces her to rent a room in a stranger’s house, and everyone has seemingly perfect Instagram-ready lives. Starting from scratch she feels like a f**k up . . . a forty-something f**k up.

Nisha Cantor lives the globetrotting life of the seriously wealthy, until her husband announces a divorce and cuts her off. Nisha is determined to hang onto her glamorous life. But in the meantime, she must scramble to cope--she doesn’t even have the shoes she was, until a moment ago, standing in. That’s because Sam Kemp—in the bleakest point of her life—has accidentally taken Nisha’s gym bag. But Sam hardly has time to worry about a lost gym bag—she’s struggling to keep herself and her family afloat.

The white-washed Italian villa is perfect. I thought it might feel odd, living in a stranger’s house for the summer, but as my husband and children swim in the infinity pool, I start to relax. And then, in the back of a wardrobe, I find something that shatters everything.... Sparkling green eyes, square jaw, lopsided smile. A young man with his arm around a beautiful woman. The picture is old and faded, but I’d recognize him anywhere. The man is my husband.

After Tova Sullivan’s husband died, she began working the night shift at the Sowell Bay Aquarium, mopping floors and tidying up. Keeping busy has always helped her cope, which she’s been doing since her eighteen-year-old son, Erik, mysteriously vanished on a boat in Puget Sound over thirty years ago. Tova becomes acquainted with curmudgeonly Marcellus, a giant Pacific octopus living at the aquarium. Marcellus knows more than anyone can imagine but wouldn’t dream of lifting one of his eight arms for his human captors—until he forms a remarkable friendship with Tova.

A week at a beautiful chateau in the south of France—it should be a straightforward final job for Dora. She’s a smart, stunning and discreet escort, and Daniel has paid for her services before. This time, all she has to do is to convince the assembled guests that she is his girlfriend. Dora is used to playing roles and being whatever men want her to be. It’s all about putting on a front.

It was meant to be Caitlin's perfect summer, but betrayed by her best friend and her boyfriend, she finds herself hitchhiking home alone, heartbroken, and penniless. When a smiling family pulls up on the roadside to help her on her way, she's relieved at first - they seem friendly, normal. And when they offer her a warm bed in their cottage for the night, she's grateful - it's not safe for young women travelling alone in the dark, and she's in no rush to get home, where she knows a grave secret is due to blow her family apart.

Louise has had to watch her husband, Andrew, start a new family in the four years since he left her. The ‘other woman’ is now his wife - but Louise isn’t ready to let Caz enjoy the life that was once hers or to let go of the man she still loves. As Louise starts to dig into Caz’s past, the two women’s pretence of civility starts to slip. But in trying to undermine each other, they discover more about the man they both married. And when Andrew is murdered at a family party, both women are found standing over the body. It’s always the wife. But which one?

Aging and reclusive Hollywood movie icon Evelyn Hugo is finally ready to tell the truth about her glamorous and scandalous life. But when she chooses unknown magazine reporter Monique Grant for the job, no one in the journalism community is more astounded than Monique herself. Why her? Why now? Monique is not exactly on top of the world. Her husband, David, has left her, and her career has stagnated.

Nina once bought into the idea that her fancy liberal arts degree would lead to a fulfilling career. When that dream crashed, she turned to stealing from rich kids in LA alongside her wily Irish boyfriend, Lachlan. Nina learned from the best: Her mother was the original con artist, hustling to give her daughter a decent childhood despite their wayward life. But when her mom gets sick, Nina puts everything on the line to help her, even if it means running her most audacious, dangerous scam yet.

Former Army brat Morgan Albright has finally planted roots in a friendly neighborhood near Baltimore. Her friend and roommate Nina helps her make the mortgage payments, as does Morgan's job as a bartender. But after she and Nina host their first dinner party—attended by Luke, the flirtatious IT guy who'd been chatting her up at the bar—her carefully built world is shattered. The back door glass is broken, cash and jewelry are missing, her car is gone, and Nina lies dead on the floor.

Stacey and Felix are the glamorous owners of the stylish, modern Glass House, with its pool and floor-to-ceiling windows. Now they’re downsizing, but Stacey can’t sell to just anyone. She needs the right buyer, who will keep her secrets. Millie and Tom have always imagined living in the Glass House. Now it’s for sale. With property prices booming, if they can sell quickly, it could be theirs. But is the house and its charming owners all they seem? Harper and Kyle are moving up in the world.

Finally, Cath has met someone: a man she loves, Robin, and who adores her in return. And after years of managing fine on her own, running a successful business, raising her son and caring for her elderly mother, she feels she deserves some happiness. She expected everyone to be delighted for her. But her friends and family are suspicious of Robin. And Rebecca, a desperate single mother whom Cath has hired as a live-in housekeeper, doesn’t trust him either.

In 1986, Eddie and his friends are on the verge of adolescence, spending their days biking in search of adventure. The chalk men are their secret code, stick figures they draw for one another as hidden messages. But one morning, the friends find a chalk man leading them to the woods. They follow the message, only to find the dead body of a teenage girl. In 2016, Eddie is nursing a drinking problem and trying to forget his past, until one day he gets a letter containing a chalk man — the same one he and his friends saw when they found the body.