He was the first person to inspire her, to move her, to truly understand her. Was he meant to be the last? Lucy is faced with a life-altering choice. But before she can make her decision, she must start her story - their story - at the very beginning. Lucy and Gabe meet as seniors at Columbia University on a day that changes both of their lives forever. Together, they decide they want their lives to mean something, to matter. When they meet again a year later, it seems fated - perhaps they'll find life's meaning in each other.

Genoa, Italy, 1946. Vincenzo and Giovanna fall in love at twenty-one the moment they set eyes on each other. The son of a count and the daughter of a tailor, they belong to opposing worlds. Despite this, the undeniable spark between them quickly burns—until shifts in political power force them each to choose a side. New York, 2017. Although neither quite fits with the other's family, Cassandra and Luca have always felt like a perfect match for each other. But when Luca, an artist, convinces his grandfather and Cass’s grandmother to pose for a painting, past and present collide.

Harriet and Wyn have been the perfect couple since they met in college—they go together like salt and pepper, honey and tea, lobster and rolls. Except, now—for reasons they’re still not discussing—they don’t. They broke up five months ago. And still haven’t told their best friends.

Mia Graydon's life looks picket-fence perfect; she has the house, her loving husband, and dreams of starting a family. But she has other dreams too - unexplained, recurring ones starring the same man. Still, she doesn’t think much of it, until a relocation to small-town Pennsylvania brings her face to face with the stranger she has been dreaming about for years. And this man harbors a jaw-dropping secret of his own - he's been dreaming of her too. Determined to understand, Mia and this not-so-stranger search for answers.

Dannie Kohan lives her life by the numbers. She is nothing like her lifelong best friend - the wild, whimsical, believes-in-fate Bella. Her meticulous planning seems to have paid off after she nails the most important job interview of her career and accepts her boyfriend’s marriage proposal in one fell swoop, falling asleep completely content. But when she awakens, she’s suddenly in a different apartment, with a different ring on her finger, and beside a very different man.

Augustus Everett is an acclaimed author of literary fiction. January Andrews writes best-selling romance. When she pens a happily ever after, he kills off his entire cast. They’re polar opposites. In fact, the only thing they have in common is that for the next three months, they're living in neighboring beach houses, broke, and bogged down with writer's block.

They say you can never go home again, and for Persephone Fraser, ever since she made the biggest mistake of her life a decade ago, that has felt too true. Instead of glittering summers on the lakeshore of her childhood, she spends them in a stylish apartment in the city, going out with friends, and keeping everyone a safe distance from her heart. Until she receives the call that sends her racing back to Barry’s Bay and into the orbit of Sam Florek—the man she never thought she’d have to live without.

Adam adores Emily. Emily thinks Adam’s perfect, the man she thought she’d never meet. Emily chose Adam, but she didn’t choose his mother, Pammie. There’s nothing a mother wouldn’t do for her son, and now Emily is about to find out just how far Pammie will go to get what she wants: Emily gone forever.

Felicity “Fizzy” Chen is lost. Sure, she’s got an incredible career as a beloved romance novelist with a slew of bestsellers under her belt, but when she’s asked to give a commencement address, it hits her: she hasn’t been practicing what she’s preached. Fizzy hasn’t ever really been in love. Connor Prince, documentary filmmaker and single father, loves his work but when his profit-minded boss orders him to create a reality TV show, Connor is out of his element. Desperate to find his romantic lead, a chance run-in with an exasperated Fizzy offers Connor the perfect solution.

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.

Sally Milz is a sketch writer for The Night Owls, a late-night live comedy show that airs every Saturday. With a couple of heartbreaks under her belt, she’s long abandoned the search for love, settling instead for the occasional hook-up, career success, and a close relationship with her stepfather to round out a satisfying life. But when Sally’s friend and fellow writer Danny Horst begins dating Annabel, a glamorous actress who guest-hosted the show, he joins the not-so-exclusive group of talented but average-looking and even dorky men at the show.

Longtime personal assistant Georgie Mulcahy has made a career out of putting others before herself. When an unexpected upheaval sends her away from her hectic job in L.A. and back to her hometown, Georgie must confront an uncomfortable truth: her own wants and needs have always been a disconcertingly blank page. But then Georgie comes across a forgotten artifact—a "friendfic" diary she wrote as a teenager, filled with possibilities she once imagined. To an overwhelmed Georgie, the diary's simple, small-scale ideas are a lifeline-a guidebook for getting started on a new path.

Lydia and Freddie. Freddie and Lydia. They’d been together for more than a decade and Lydia thought their love was indestructible. But she was wrong. On Lydia’s 28th birthday, Freddie died in a car accident. So now it’s just Lydia, and all she wants is to hide indoors and sob until her eyes fall out. But Lydia knows that Freddie would want her to try to live fully, happily, even without him. So, enlisting the help of his best friend, Jonah, and her sister, Elle, she takes her first tentative steps into the world, open to life - and perhaps even love - again.

Little River, New York, 1994: April Sawicki is living in a motorless motorhome that her father won in a poker game. Failing out of school, picking up shifts at a local diner, she’s left fending for herself in a town where she’s never quite felt at home. When she “borrows” her neighbor’s car to perform at an open mic night, she realizes her life could be much bigger than where she came from. After a fight with her dad, April packs her stuff and leaves for good, setting off on a journey to find a life that’s all hers.

You know that old saying “if we are still single when we’re 35, we should get married?” Well, Maggie Vine made that vow with two different people at two very different stages of her life. And they both showed up. Maggie Vine’s life is going extra-medium. At 35, she’s pursuing her dreams of being a singer and being a mother—though neither are successfully panning out. So when Garrett Scholl—stifled hedge-fund manager by day but electrifying aspiring rock singer by night—comes to her 35th birthday party with the intention to kiss Maggie senseless, it feels like one piece might click into place.

Emily has come a long way since she lost her two passions 15 years ago: music, and Rob. She's a psychologist at NYU who helps troubled college students like the one she once was. Together with her caring doctor husband, Ezra, she has a beautiful life. They're happy. They hope to start a family. But when a tragic event in Emily's present too closely echoes her past, and parts of her story that she'd hoped never to share come to light, her perfect life is suddenly upturned.

Genoa, Italy, 1946. Vincenzo and Giovanna fall in love at twenty-one the moment they set eyes on each other. The son of a count and the daughter of a tailor, they belong to opposing worlds. Despite this, the undeniable spark between them quickly burns—until shifts in political power force them each to choose a side. New York, 2017. Although neither quite fits with the other's family, Cassandra and Luca have always felt like a perfect match for each other. But when Luca, an artist, convinces his grandfather and Cass’s grandmother to pose for a painting, past and present collide.

He was the first person to inspire her, to move her, to truly understand her. Was he meant to be the last? Lucy is faced with a life-altering choice. But before she can make her decision, she must start her story - their story - at the very beginning. Lucy and Gabe meet as seniors at Columbia University on a day that changes both of their lives forever. Together, they decide they want their lives to mean something, to matter. When they meet again a year later, it seems fated - perhaps they'll find life's meaning in each other.

Emma loves her husband Leo and their young daughter Ruby: she’d do anything for them. But almost everything she's told them about herself is a lie. And she might just have got away with it, if it weren’t for her husband’s job. Leo is an obituary writer; Emma a well-known marine biologist. When she suffers a serious illness, Leo copes by doing what he knows best – researching and writing about his wife’s life. But as he starts to unravel the truth, he discovers the woman he loves doesn’t really exist. Even her name isn’t real.

Dannie Kohan lives her life by the numbers. She is nothing like her lifelong best friend - the wild, whimsical, believes-in-fate Bella. Her meticulous planning seems to have paid off after she nails the most important job interview of her career and accepts her boyfriend’s marriage proposal in one fell swoop, falling asleep completely content. But when she awakens, she’s suddenly in a different apartment, with a different ring on her finger, and beside a very different man.