Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.

Alice, a novelist, meets Felix, who works in a warehouse, and asks him if he’d like to travel to Rome with her. In Dublin, her best friend, Eileen, is getting over a break-up, and slips back into flirting with Simon, a man she has known since childhood. Alice, Felix, Eileen, and Simon are still young—but life is catching up with them. They desire each other, they delude each other, they get together, they break apart.

Somewhere out beyond the edge of the universe there is a library that contains an infinite number of books, each one the story of another reality. One tells the story of your life as it is, along with another book for the other life you could have lived if you had made a different choice at any point in your life. While we all wonder how our lives might have been, what if you had the chance to go to the library and see for yourself? Would any of these other lives truly be better? In The Midnight Library, Nora Seed finds herself faced with this decision.

Minnie Cooper knows two things with certainty: that her New Year's birthday is unlucky, and that it's all because of Quinn Hamilton, a man she's never met. Their mothers gave birth to them at the same hospital just after midnight on New Year's Day, but Quinn was given the cash prize for being the first baby born in London in 1990 - and the name Minnie was meant to have, as well. With luck like that, it's no wonder each of her birthdays has been more of a disaster than the one before.

When her partner of over a decade suddenly ends things, Laurie is left reeling - not only because they work at the same law firm and she has to see him every day. Her once perfect life is in shambles, and the thought of dating again in the age of Tinder is nothing short of horrifying. When news of her ex’s pregnant girlfriend hits the office grapevine, taking the humiliation lying down is not an option. Then, a chance encounter in a broken-down elevator with the office playboy opens up a new possibility.

It is 1987, and a small Irish community is preparing for a wedding. The day before the ceremony, a group of young friends, including the bride and groom, are involved in an accident. Three survive. Three are killed. The lives of the families are shattered and the rifts between them ripple throughout the small town. Connor survived, but living among the angry and the mourning is almost as hard as carrying the shame of having been the driver. He leaves the only place he knows for another life, taking his secrets with him.

Ciara and Oliver meet in a supermarket queue in Dublin and start dating the same week COVID-19 reaches Irish shores. When lockdown threatens to keep them apart, Oliver suggests they move in together. Ciara sees a unique opportunity for a relationship to flourish without the scrutiny of family and friends. Oliver sees a chance to hide who - and what - he really is.

All Andrew wants is to be normal. That's why his coworkers believe he has the perfect wife and two children waiting at home for him after a long day. But the truth is, his life isn't exactly as people think...and his little white lie is about to catch up with him. Because in all of Andrew's efforts to fit in, he's forgotten one important thing: how to really live. And maybe, it's finally time for him to start.

Can you ever really know someone? When Deborah, an unpopular 17-year-old, meets the charming and handsome Larry, he sweeps her off her feet. The trouble is, Larry has a secret. Then a series of grisly murders casts a shadow over everything. As Deborah's world starts to fall apart, she begins to suspect the man she loves of a terrible betrayal. And to keep their marriage alive, sacrifices must be made.

The Seafront Tea Rooms is a peaceful hideaway, away from the bustle of the seaside, and in this quiet place a group of women find exactly what they've been searching for. Charismatic journalist Charlotte is on a mission to scope out Britain's best tea rooms. She knows she's found something special in the Seafront Tea Rooms, but is it a secret she should share?

Maeve McKenna is on the verge of a breakdown. Having worked herself into the ground as a sought-after interior designer in London, she’s in desperate need of a vacation. Philomena Duffy is a little lonely. After losing her husband, their crumbling mansion, Willow House, feels awfully empty. With the rugged shores of Ireland calling, Maeve visits her aunt Philomena in Sandy Cove, where she once, as a teenager, kissed a wild, mysterious boy - a kiss she has never been able to forget.

When Regi moves into her new house share, she's ready for a clean slate. A new home. A new routine. A new identity.... Desperate to escape the shadow of her past that follows her everywhere she goes, Regi finds the ideal distraction in the perfect lives of others on social media. But as innocent scrolling turns into an unhealthy obsession, Regi will soon learn that seeking perfection comes at a price....

It’s fair to say that Maddie’s life in London is far from rewarding. With a mother who spends most of her time in Ghana (yet still somehow manages to be overbearing), Maddie is the primary caretaker for her father, who suffers from advanced stage Parkinson’s. At work, her boss is a nightmare and Maddie is tired of always being the only Black person in every meeting.

One mother's past could cost her everything. Frankie Keegan is struggling. While she tries to make strides in her career, life at home is slowly unravelling as she is haunted by the secrets of her past. Someone else remembers. As the dark nights draw in, the anniversary of the loss of her brother looms, and Frankie is drawn back to the memories of that fateful night 20 years previously. As she descends into a guilt-ridden state, she begins to suspect that someone else is also remembering that night and they are determined to terrify her.

There’s a cottage on a cliff. Gabe and Pippa’s dream home in a sleepy coastal town. But their perfect house hides something sinister. The tall cliffs have become a popular spot for people to end their lives. Night after night Gabe comes to their rescue, literally talking them off the ledge. Until he doesn’t. When Pippa discovers Gabe knew the victim, the questions spiral...Did the victim jump? Was she pushed?