Ever heard of keeping your friends close and your enemies closer? That's exactly what Ally Lockwood has to do when the hottest guy at Fairview High, who is also her sworn nemesis, moves in with her family for senior year. Most girls would do anything to live across the hall from Chase Williams, but Ally isn't fooled by his good looks or brooding charm. She's been on the wrong side of him for years, and knows all too well how sly and manipulative he truly is. She's desperate to get rid of him. Her friends have a genius plan to ensure her over-protective father kicks Chase out for good.

Quiet and aloof rock star Jake McKallister and outspoken, vivacious college student Casey Caldwell are polar opposites: Casey is bubbly and talkative; Jake is reclusive. Casey enjoyed a picturesque childhood; Jake’s childhood could only be described as a well-publicized nightmare. Jake’s life revolves around music, and Casey can’t carry a tune.

Everyone knows how all those fairy tales go. The princess gets beautiful, nabs her prince, falls instantly in love, lives happily ever after and leaves her evil stepsisters in the dust. But what happens when you're the ugly stepsister and your obnoxiously perfect - read pretty, smart, and, worst of all, sickeningly nice - stepsister is dating the charming, tall, devastatingly handsome guy you've had a thing for since you were nine years old? Quirky, artistic and snarky Mattie Lowe does not lead a charmed life. Her mother is constantly belittling her on Skype.

He was tall, at least six feet, with dirty blond hair that hung over his eyes. His T-shirt read Nietzsche Is My Homeboy. So, that was Matt. Who Julie Seagles likes. A lot. But there is also Finn. Who she flat out loves. Complicated? Awkward? Completely. But really, how was this freshly-minted Boston transplant and newbie college freshman supposed to know that she would end up living with the family of an old friend of her mother’s? This was all supposed to be temporary.

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.

Most high school sports teams have rivalries with other Schools. At Hamilton High, it’s a civil war: the football team versus the soccer team. And for her part, Lissa is sick of it. Her quarterback boyfriend, Randy, is always ditching her to go pick a fight or haze a freshman. And on three separate occasions Randy’s car has been egged while he and Lissa were inside, making out. She is done competing with a bunch of sweaty boys for her own boyfriend’s attention. Lissa decides to end the rivalry once and for all: She and the other players’ girlfriends go on a hookup strike.

Seventeen-year-old Bianca Piper is cynical and loyal, and she doesn’t think she’s the prettiest of her friends by a long shot. She’s also way too smart to fall for the charms of man-slut and slimy school hottie Wesley Rush. In fact, Bianca hates him. And when he nicknames her “the Duff,” she throws her Coke in his face. But things aren’t so great at home right now, and Bianca is desperate for a distraction. She ends up kissing Wesley. Worse, she likes it.

He needed a place to hide. She needed a friend. They never expected to fall in love. After a car accident - an event he considers a prank gone bad - jaded pop star Hunter Kennedy is forced to hide out with his aunt in small-town Colorado. He's supposed to rest, heal his scars, and attend high school in disguise until the press dies down. But he only wants to get back to work.

It's been a year since it happened - when Paige Hancock's first boyfriend died in an accident. After shutting out the world for two years, Paige is finally ready for a second chance at high school...and she has a plan. First: Get her old crush, Ryan Chase, to date her - the perfect way to convince everyone she's back to normal. Next: Join a club. But when Ryan's sweet, nerdy cousin, Max, moves to town and recruits Paige for the Quiz Bowl team, her perfect plan is thrown for a serious loop.

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.

Stella will do anything for her sick sister, Cara - even stand in line for an autographed Heartbreakers CD for four hours. She's totally winning best birthday gift this year. At least she met a cute boy with soft brown hair and gorgeous blue eyes while getting her caffeine fix. Too bad she'll never see him again. Except Stella's life has suddenly turned into a cheesy love song. Because Starbucks Boy is Oliver Perry, the lead singer for the Heartbreakers.

After Charlotte’s father died, her mother changed. She became cold and distant, and Charlotte slowly withdrew into herself. She spent years feeling lonely and insignificant, and rarely spoke more than a few words to anyone. One night, after a traumatic incident instigated by her mother, Charlotte is arrested and taken to juvie. A year later, Charlotte’s being released from juvie for the second time. Instead of an awful group home, her social worker brings a welcome surprise: Charlotte’s long-forgotten uncle, Arthur, who is all too eager to help her.

Cameron Bates (Cam) could have almost any girl at Franklin High School...except for the one he wants. Unfortunately Bebe seems to be immune to his flirty charm and good looks, which means one of two things: a) she's completely oblivious to how he feels, or b) she's just not into him. If that's the case, declaring his love would be disastrous for their friendship. Bianca Barnes (Bebe) has a huge problem: the universe hates her. Every time she admits feelings for a boy, he ends up falling for her sweet, popular, and beautiful sister Beth.

Michael usually concerns himself with basketball and hanging out with his friends, but every once in a while, his parents drag him to meetings and rallies with their anti-immigrant group. And it all makes sense to Michael. Until Mina, a beautiful girl from the other side of the protest lines, shows up at his school and turns out to be funny, smart - and a Muslim refugee from Afghanistan. Suddenly his parents' politics seem much more complicated.

Seventeen-year-old Lexi Turner has just been dumped by her boyfriend of three years - on the day she was going to, well, do it with him. And to make matters worse, he dumped her for a lifeforce-sucking demon! Devastated by this turn of events, she decides there is only one way to deal with the situation: get revenge. Enter Jase Holloway - Lexi's former childhood friend and adversary to her ex. The plan is simple: somehow talk Jase into pretending to be her boyfriend to make her ex-boyfriend jealous, make him regret dumping her, and make him come crawling back to her.