Isabelle Scott’s life may not be easy, but she loves it. She is a star swimmer and lifeguard, has great friends, and has been spending the summer with Brayden, a cute surfer—though they’re just friends. But her grandmother, with whom she’s lived since her mother died five years earlier, is declining quickly, and Izzie’s whole world is upended. She’s whisked away from the poor, rough neighborhood where she grew up to live with her aunt, uncle, and cousins in the exclusive Emerald Cove.

When Sam's best friend gets her first boyfriend, she's not ready to spend the summer listening to the two of them call each other "pookie." Sick of being a third wheel, Sam applies to be a counselor-in-training at Whispering Pines camp in the New York Catskills. But what she doesn't realize is that it's not going to be all Kumbaya sing-alongs and gooey s'mores. If Ashley, the alpha queen of Whispering Pines, doesn't ruin Sam's summer, then her raging crush on the surfer-blond and flirtatious Hunter just might.

In Hollywood, fame can be found on every corner and behind any door. You just have to know where to look for it. Nineteen-year-old Madison Parker made a name for herself as best frenemy of nice-girl-next-door Jane Roberts on the hot reality show L.A. Candy. Now Madison's ready for her turn in the spotlight and she'll stop at nothing to get it. Sure, she's the star of a new show, but with backstabbing friends and suspicious family members trying to bring her down, Madison has her work cut out for her.

You know, being friends with two cute boys does have its benefits. There's Danny. Danny is a golden boy in every way. He has dreamy blue eyes and blonde hair that always looks perfect, even when it's windblown or been stuck under a football helmet. He's the boy every girl crushes on. The boy I get into trouble with, the boy I fight with, the hot quarterback no girl can resist, not even me. Being with Danny is like being on an adventure. He has a bright, contagious smile and abs to die for. He's pretty much irresistible.

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.

Dylan Woods hasn’t seen her best friend, Langston, in years. After he moved to Los Angeles, he ghosted her. Then he became Legendary, the biggest teen R&B artist on the planet. For the most part, Dylan has moved on, with her sights set on Juilliard. But when her parents announce that Langston is coming for a short stay with them, the entire family is thrilled. Except for Dylan. The idea of sharing a house with music’s biggest bad boy makes her stomach churn.

On Christmas Eve five years ago, 17-year-old Holly Chase was visited by three Ghosts who showed her how selfish and spoiled she'd become. They tried to convince her to mend her ways. She didn't. And then she died. Now she's stuck working for the top-secret company Project Scrooge - as their latest Ghost of Christmas Past. So far, Holly's afterlife has been miserable. But this year's Scrooge is different. This year's Scrooge might change everything.

Sixteen-year-old Finley Price has perfected two things: how to direct a world-class production and how to fly way, way under the radar. The only person who ever seems to notice Finley is her best friend and godparents' son, Oliver Bertram. Since Finley moved in with her godparents after the death of her father, she and Oliver have grown close. If Finley could just take Oliver's constant encouragement to heart and step out of the shadows, she'd finally chase her dream of joining the prestigious Mansfield Theater.

Maddy Carson is a mass of contradictions. She loves her job as Script Supervisor on a hit TV show, but hates "Hollywood". Super-organized and down-to-Earth, Maddy is clearly one of the best at her job, and her strict dating rule - "No Actors!" - helps her keep focused on her career. However, a budding relationship with Craig, one of the executives at her company, may even propel her into the big leagues. Could Wolf County, her beloved hometown in the mountains, be saved from a financial crisis by creating a reality show featuring the eccentrics in the small ski village?

Aspiring filmmaker and wallflower Twinkle Mehra has stories she wants to tell and universes she wants to explore, if only the world would listen. So when fellow film geek Sahil Roy approaches her to direct a movie for the upcoming Summer Festival, Twinkle is all over it. The chance to publicly showcase her voice as a director? Dream come true. The fact that it gets her closer to her longtime crush, Neil Roy - aka Sahil’s twin brother? Dream come true x 2.

Elena Soo has always felt overshadowed. Whether by her more successful older sisters, her more popular twin brother, or her more outgoing best friend, everyone except Elena seems to know exactly who they are and what they want. But she is certain about one thing—she has no interest in going to prom. While the rest of the school is giddy over corsages and dresses, Elena would rather spend her time working to save the local community center. So when international K-pop superstar Robbie Choi shows up at her house to ask her to prom, Elena is more confused than ever.

Dubbed "Dumplin'" by her former beauty queen mom, Willowdean has always been at home in her own skin. Her thoughts on having the ultimate bikini body? Put a bikini on your body. With her all-American-beauty best friend, Ellen, by her side, things have always worked...until Will takes a job at Harpy's, the local fast-food joint. There she meets Private School Bo, a hot former jock. Will isn't surprised to find herself attracted to Bo. But she is surprised when he seems to like her back.

"You've done better." With one uncharacteristically sassy tweet to her longtime celebrity crush, Zoe Miller's life turns upside down. Ultrahot A-lister Chase Covington doesn't just respond to Zoe's tweet, he does the unthinkable: he messages Zoe directly. Now she must decide between walking away or meeting her crush in person.

Leila has made it most of the way through Armstead Academy without having a crush on anyone, which is a relief. As an Iranian American, she’s different enough; if word got out that Leila liked girls, life would be twice as hard. But when beautiful new girl Saskia shows up, Leila starts to take risks she never thought she would.

Sixteen-year-old A. J. Smith, born and raised in backwoods Tennessee, loves nothing more than repairing broken cars with her father and hanging out with her brothers and their friends. Not far away, in the busy city of Nashville, Kate Kelly is always dressed in the latest fashion, wearing clothes from her mother's boutique and jetting around the world with her father. When A. J. starts going to the school Kate attends, they instantly dislike each other....