When his mother became President, Alex Claremont-Diaz was promptly cast as the American equivalent of a young royal. Handsome, charismatic, genius—his image is pure millennial-marketing gold for the White House. There's only one problem: Alex has a beef with the actual prince, Henry, across the pond. And when the tabloids get hold of a photo involving an Alex-Henry altercation, U.S./British relations take a turn for the worse.

Sam’s summer isn’t off to a great start. Her boyfriend, Eli, ditched her for a European backpacking trip, and now she’s a counselor at Camp Blue Springs: the summer camp to which her 11-year-old self swore never to return. Sam expects the next seven weeks to be a total disaster. That is, until she meets Gavin, the camp’s sailing instructor, who turns her expectations upside down.

Poppy and Alex. Alex and Poppy. They have nothing in common. She’s a wild child; he wears khakis. She has insatiable wanderlust; he prefers to stay home with a book. And somehow, ever since a fateful car share home from college many years ago, they are the very best of friends. For most of the year they live far apart—she’s in New York City, and he’s in their small hometown—but every summer, for a decade, they have taken one glorious week of vacation together.

Belly measures her life in summers. Everything good, everything magical happens between the months of June and August. Winters are simply a time to count the weeks until the next summer, a place away from the beach house, away from Susannah, and most importantly, away from Jeremiah and Conrad. They are the boys that Belly has known since her very first summer—they have been her brother figures, her crushes, and everything in between. But one summer, one wonderful and terrible summer, the more everything changes, the more it all ends up just the way it should have been all along.

Meredith's family's annual game of assassin at Martha's Vineyard during a summer wedding is the perfect chance to honor her sister's legacy, and finally join the world again. But when she forms an alliance with a cute groomsman, she's at risk of losing both the game . . . and her heart.

Overworked and underappreciated, single mom Amy Byler needs a break. So when the guilt-ridden husband who abandoned her shows up and offers to take care of their kids for the summer, she accepts his offer and escapes rural Pennsylvania for New York City. Usually grounded and mild mannered, Amy finally lets her hair down in the city that never sleeps. She discovers a life filled with culture, sophistication, and - with a little encouragement from her friends - a few blind dates.

On the eve of his ex's wedding festivities, Drew is minus a plus one. Until a power outage strands him with the perfect candidate for a fake girlfriend... After Alexa and Drew have more fun than they ever thought possible, Drew has to fly back to Los Angeles and his job as a pediatric surgeon, and Alexa heads home to Berkeley, where she's the mayor's chief of staff. Too bad they can't stop thinking about the other...

It's been over a decade since Nora left her hometown of Scupper Island, Maine, and very seldom looked back. She's carved out a successful life in Boston, where no one knows her as the awkward girl with the delinquent sister and the dad who left, but a not-as-dramatic-as-it-sounds brush with death has her taking stock of her life. Inspired to reconnect with her prickly mother and snarky teenage niece, Nora returns home for the summer, where she's forced to face the people she's spent the last ten years trying to avoid.

Sixteen-year-old Lara Jean Song keeps her love letters in a hatbox her mother gave her. They aren’t love letters that anyone else wrote for her; these are ones she’s written. One for every boy she’s ever loved - five in all. When she writes, she pours out her heart and soul and says all the things she would never say in real life, because her letters are for her eyes only. Until the day her secret letters are mailed, and suddenly, Lara Jean’s love life goes from imaginary to out of control.

Just days before spring break, Neil Kearney is set to fly across the country with his childhood friend (and current friend-with-benefits) Josh, to attend his brother's wedding—until Josh tells Neil that he's in love with him and Neil doesn't return the sentiment.

Lina is spending the summer in Tuscany, but she isn't in the mood for Italy's famous sunshine and fairy-tale landscape. She's only there because it was her mother's dying wish that she get to know her father. But what kind of father isn't around for 16 years? All Lina wants to do is get back home. But then Lina is given a journal that her mom had kept when she lived in Italy. Suddenly Lina's uncovering a magical world of secret romances, art, and hidden bakeries. A world that inspires Lina to follow in her mother's footsteps.

When Jenny Shaw hears someone shout "Jessie!" across a hotel lobby, she impulsively answers. All her life, Jenny has toed the line, but something propels her to seize the opportunity to become Jessie Morgan, a woman to whom she bears an uncanny resemblance. Lonely in her own life, Jenny is embraced by Jessie’s warm circle of friends - and finds unexpected romance. But when she delves into Jessie’s past, Jenny discovers a secret that spurs her to take another leap into the unknown.

Four jackets of varying weights, enough socks for the entire Confederate Army, three umbrellas, most of the antacid aisle from the local pharmacy, and six pairs of old-people sneakers that all look exactly the same. Have you ever helped your parents pack for a weeklong cruise? No? I didn't think so. So shut it. So begins vacation for Summer Hartwell - 26 years old, living with her anxiety-ridden parents, and unwillingly booked by her brother on a weeklong cruise to Bermuda.

Sophia Marcus, 21, has already mapped out every aspect of her glamorous life as a Hollywood actor on her vision board. But her life right now in Toronto is anything but exciting. Attending fruitless auditions during the day and working at a douche-y club at night, Sophia is starting to feel like she's going nowhere...slowly. Demi Michaels, Sophia's best friend, didn't go to college after high school. Short of ideas for her own future, she puts her energy into building the perfect relationship with an older man.

Helena Conway has fallen in love. Unwillingly. Unwittingly. But not unprovoked. Kit Isley is everything she's not - unstructured, untethered, and not even a little bit careful. It could all be so beautiful...if he wasn't dating her best friend. Helena must defy her heart, do the right thing, and think of others. Until she doesn't.

When Jenny Shaw hears someone shout "Jessie!" across a hotel lobby, she impulsively answers. All her life, Jenny has toed the line, but something propels her to seize the opportunity to become Jessie Morgan, a woman to whom she bears an uncanny resemblance. Lonely in her own life, Jenny is embraced by Jessie’s warm circle of friends - and finds unexpected romance. But when she delves into Jessie’s past, Jenny discovers a secret that spurs her to take another leap into the unknown.

Four jackets of varying weights, enough socks for the entire Confederate Army, three umbrellas, most of the antacid aisle from the local pharmacy, and six pairs of old-people sneakers that all look exactly the same. Have you ever helped your parents pack for a weeklong cruise? No? I didn't think so. So shut it. So begins vacation for Summer Hartwell - 26 years old, living with her anxiety-ridden parents, and unwillingly booked by her brother on a weeklong cruise to Bermuda.

Helena Conway has fallen in love. Unwillingly. Unwittingly. But not unprovoked. Kit Isley is everything she's not - unstructured, untethered, and not even a little bit careful. It could all be so beautiful...if he wasn't dating her best friend. Helena must defy her heart, do the right thing, and think of others. Until she doesn't.

After 12 years of marriage and two kids, Merit has begun to feel like a stranger in her own life. She loves her husband and sons, but she desperately needs something more than sippy cups and monthly sex. So, she returns to her career at Jager + Brandt, where a brilliant and beautiful Danish architect named Jane decides to overlook the “break” in Merit’s résumé and give her a shot.

As 14-year-old Christy leaves her family's Wisconsin farm to spend the summer at her wealthy aunt and uncle's home in Newport Beach, she hopes this will be the best summer of her life. When she meets surfer Todd with his screaming silver blue eyes, she's certain it will be. But when the summer doesn't unfold as Christy had hoped, she wonders if she'll keep her promise to her parents not to do anything she'll regret. Will she do anything to get Todd's attention, to be accepted, to force her summer to give her everything it promised?

Sometimes the biggest ripples come from the smallest events. Like the day that Emma Guthrie, drop-out college student, walks into world-famous movie star Garrett Walker's trailer, and walks out on her way to becoming Mrs. Emma Walker, wife of an A-list actor. With her husband's encouragement, Emma pens a screenplay based on her life, which becomes a blockbuster sensation. Through it all, Garrett is her ally and her mentor... until Emma discovers an incriminating text message on Garrett's cell phone.

Two secrets. One bet. Who will break first? Taylor Caldwell can't decide if she wants to kiss her new college roommate or punch him. On the one hand, Hunter Zaccadelli is a handsome blue-eyed bundle of charm. On the other, he's a tattooed, guitar-playing bad boy. Maybe that's why Taylor's afraid of falling in love with him, or anyone else. She doesn't want to get burned, so she needs him gone before it's too late.

When Beatrice Trixie Jordan replies to a personal ad, she meets Jacob Grace, a charming, effervescent 30-something free-spirit writer passionately seeking life. He possesses his own turns of phrase and ways of thinking and feeling that dissonantly harmonize with Trixie's off-center vision. As they rollercoaster through the joys and furies of their wrenching romance, they try to come to terms with the hurt brought about by both of their distant fathers who, in different ways, forsook them.

Charlize "Charlie" Edwards certainly knows, in theory, what it takes to lead a successful and happy life. But she's also turning 30, chronically single, and faced with serving as maid of honor at her younger sister's wedding. Charlie finds herself struggling to juggle the chaos of wedding planning (while wondering if she'll ever wear the white dress herself), her all-consuming job for lunatic boss Stanton, and a serious crush on Jordan, a photographer on the set of Drew's latest feature - a man who might actually return her feelings.

Amanda Beth Luker has spent her whole life desperately looking for someone who can show her the way out of her trailer park Florida town. And then, finally, help arrives - in the form of Tom Davis, a successful lawyer with political aspirations who grew up just a few towns over from Amanda. But it's his wife, Lindsay, who really captures Amanda's imagination. Strong, smart, and determined, she gives Amanda something she's never had: a role model.

Lucille seems to have nothing going for her. With the bills piling in, the house falling apart around her, and her sister's growing distress, it is precisely the worst possible moment for Lucille to fall recklessly in love with her best friend's twin brother, Digby, who is practically engaged.

When Travis returns home from Afghanistan, his parents are splitting up, his brother's stolen his girlfriend and car, and the nightmares of his best friend getting killed keep him completely spooked. But when he runs into Harper, a girl who despises him for rumors Travis started back in middle school, life actually starts looking up. And as he and Harper see more of each other, he falls deeper in love with her and begins to find his way through the family meltdown and the post-traumatic stress.

Lizzie Nichols has a problem, and it isn't that she doesn't have the slightest idea what she's going to do with her life or that she's blowing what should be her down payment on a cute little Manhattan apartment on a trip to London to visit her long-distance boyfriend, Andrew. But what's the point of planning for the future when she's done it again? See, Lizzie can't keep her mouth shut. And it's not just that she can't keep her own secrets, she can't keep anything to herself.

After grad school, Shay Dixon feels like she's had enough for awhile. Inspired by her spiritual adviser - a soul-soothing blues player named Nina Simon - Shay calls her estranged mother Nona for the first time in years, and shocks herself by asking if it would be okay to come home for a while.

When Sierra's father died, he left her in charge of the family business. At the age of 28, Sierra Adams became CEO of Adams Advertising & Design, one of the top 10 advertising agencies in the world. Her work was her life. She lived and breathed it every day, leaving little time for play. Having once been in a relationship that completely destroyed her, Sierra vowed to use men for one thing only: SEX. No strings, no problems, and most importantly, no heartache.