Golden boy Caplan and bookish Mina have been unlikely soulmates since third grade. Bound by growing up in single-mother households on the same cul-de-sac in Two Docks, Michigan, their friendship exists miraculously outside their high school’s social order. Mina is class valedictorian, expected by her late father’s parents to attend his Ivy alma mater; Caplan is laughing off prom-king predictions and the fear that he’s peaking too soon. When Cap’s skateboard-toting, detention-dodging best friend confesses his feelings for Mina, she is whisked into a social life she never imagined.

Georgia Woodward lives by her lists, none more so than the one about her ex, Eli Mora. It’s full of the ironclad dos and don’ts they’ve been following since she returned to the Bay Area after their cataclysmic breakup five years ago. With the wedding of their mutual best friend, Adam, looming, and them about to step into their roles as best woman and man, Georgia’s never needed it more. She refuses to threaten their tight-knit friend group with her messy—and still very present—feelings. The rules on that list will keep her cool, calm, and compartmentalized.

It’s Senior Sunrise, the epic overnight at the beach that kicks off senior year. But for Natalia and Ethan, it’s the first time seeing each other after what happened at junior prom—when they almost crossed the line from best friends to something more and ruined everything. After ghosting each other all summer, Natalia is desperate to pretend she doesn’t care, and Ethan is desperate to fix his mistake. When the senior class carries out their tradition of writing private letters to themselves—what they wish they would do this year if they were braver—Natalia pours her heart out. So does Ethan.

Pranking mastermind Doe and her motley band of Weston girls are determined to win the century-long war against Winfield Academy before the clock ticks down on their senior year. But when their headmistress announces that The Weston School will merge with its rival the following year, their longtime feud spirals into chaos. To protect the school that has been her safe haven since her parents’ divorce, Doe puts together a plan to prove once and for all that Winfield boys and Weston girls just don’t mix, starting with a direct hit at Three, Winfield’s boy king and her nemesis.

Handsome, tall, and extremely popular, Vincent's a standout on the court, but he's out of his depth in the stacks: he's got an urgent assignment due and doesn't have a clue where to start. When his meet-cute with Kendall turns into a steamy make-out session, neither are quite prepared for what comes next.

No one loves musicals more than Riley Morris—her dream is to be a Broadway director. But when the spring show is canceled, Riley has to figure out a way to bring it back. Easier said than done—she’s stuck working at her dad’s game store. The place that means more to him than his family does. Riley can't waste time at a dead-end job when her entire future is resting on making a name for herself. So she convinces her co-worker Nathan Wheeler—the floppy-haired, glasses-wearing guy she barely knows from school—to help her. In exchange, she’ll help him make his gamer-girl crush jealous.

Fake spirit medium Gretchen Acorn is happy to help when her best (read: wealthiest) client hires her to investigate the unexplained phenomena preventing the sale of her bridge partner’s struggling goat farm. Gretchen may be a fraud, but she'd like to think she’s a beneficent one. So if "cleansing" the property will help a nice old man finally retire and put some much-needed cash in her pockets at the same time, who's she to say no? Of course, it turns out said bridge partner isn't the kindly AARP member Gretchen imagined.

When Juniper Nash Abreheart kissed Graham Isham for the first time, she had no idea it would nearly be the end of their friendship. More specifically, she had no idea that the terrible, unforgivable thing she did to keep their summer fling a secret wouldn’t just ruin their friendship, but also Graham’s entire life. Now, months since the fallout, Junie and Graham spend most of their time sidestepping conversational landmines on the journey back to normalcy. Junie is sure the strangeness between her and Graham is her biggest problem—until her mom hires Tallulah.

Stella Lane thinks math is the only thing that unites the universe. She comes up with algorithms to predict customer purchases - a job that has given her more money than she knows what to do with as well as way less experience in the dating department than the average 30-year-old. It doesn't help that she has Asperger's and that French kissing reminds her of a shark getting its teeth cleaned by pilot fish. She decides that she needs lots of practice - with a professional - which is why she hires escort Michael Phan.

Hazel Elliot never looks back. If a door closes, she burns the whole house down. But when she’s invited to her father’s wedding, she’s forced to return to Lockett Prairie, Texas, for the first time since she fled for college. Ash Campbell has been in love with Hazel since she dated his best friend in high school. Now, Ash and Hazel’s relationship is limited to playful feuding over the best chair in their favorite coffee shop, but his attraction to the prickly girl from home has only grown stronger.