Zahra Gaines is missing. After three long years away, Ruthie Hayden arrives in her hometown of Anchorage, Alaska to this devastating news. Zahra was Ruthie's best friend - the only person who ever really understood her - and she vows to do whatever it takes to find her. Zahra vanished from a party just days before Ruthie's return, but the more people she talks to, the more she realizes that the Zahra she knew disappeared long before that fateful night. Gone is the whimsical, artistic girl who loved books and knew Ruthie's every secret.

Camp Alpine Lake is the only place where Goldie Easton feels safe—the camp is the lifeline of the small town she lives in. Alpine Lake provides jobs, money and prestige to the region. Her parents work there so Goldie is one of the few townies who have reaped the rewards of living so close to the summer camp, with its five-figure tuition and rich kids who have been dumped there for eight weeks by their powerful parents.

Four years ago, Brynn left Saint Ambrose School following the shocking murder of her favorite teacher—a story that made headlines after the teacher’s body was found by three Saint Ambrose students in the woods behind their school. The case was never solved. Now that Brynn is moving home and starting her dream internship at a true-crime show, she’s determined to find out what really happened.

Stella and Ellie Steckler are only a year apart, but their different personalities make their relationship complicated. Stella is single-minded, driven, and she keeps to herself. Cross-country running is her life and she won't let anything get in the way of being the best. Her sister Ellie is a talented runner too, but she also lets herself have fun. She has friends. She goes to parties. She has a life off the course.

Alice Lawrence is the sole witness in her sister’s murder trial. And in the year since Claire’s death, Alice’s life has completely fallen apart. Her parents have gotten divorced, she’s moved into an apartment that smells like bologna, and she is being forced to face her sister’s killer and a courtroom full of people who doubt what she saw in the corn maze a year prior.

It was supposed to be the perfect prom weekend getaway. But it's clear something terrible happened when Claire wakes up alone and bloodied on a hiking trail with no memory of the past 48 hours. Now everyone wants answers - most of all, Claire. She remembers Friday night, but, after that...nothing. And now Kat and Jesse - her best friends - are missing. What happened on the mountain? And where are Kat and Jesse? Claire knows the answers are buried somewhere in her memory. But as she's learning, everyone has secrets - even her best friends.

Social media influencer Summer Cartwright leads a very charmed life. Every moment of her life has been carefully planned and cultivated to complement her "imperfectly perfect" social media persona. But when Summer goes missing during her annual Halloween party and then an unscheduled post appears on her feed stating that she'll be dead within the next five minutes, those closest to Summer know something isn't quite right—or on-brand.

Red Kenny is on a road trip for spring break with five friends: Her best friend - the older brother - his perfect girlfriend - a secret crush - a classmate - and a killer. When their RV breaks down in the middle of nowhere with no cell service, they soon realize this is no accident. They have been trapped by someone out there in the dark, someone who clearly wants one of them dead. With eight hours until dawn, the six friends must escape, or figure out which of them is the target.

Kacey is the new girl in Broken Falls. When she moved in with her father, she stepped into a brand-new life. A life with a stepbrother, a stepmother, and, strangest of all, an adoring younger half sister. Kacey's new life is eerily charming compared with the wild highs and lows of the old one she lived with her volatile mother. And everyone is so nice in Broken Falls - she's even been welcomed into a tight new circle of friends. Bailey and Jade invite her to do everything with them.

Milly, Aubrey, and Jonah Story are cousins, but they barely know each another, and they've never even met their grandmother. Rich and reclusive, she disinherited their parents before they were born. So when they each receive a letter inviting them to work at her island resort for the summer, they're surprised...and curious.

Pip is not in the mood for her friend’s murder mystery party. Especially one that involves 1920’s fancy dress and pretending that their town is an island called Joy. But when the game begins, Pip finds herself drawn into the make-believe world of intrigue, deception and murder. But as Pip plays detective, teasing out the identity of the killer clue-by-clue, the murder of the fictional Reginald Remy isn’t the only case on her mind …

Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

Pay close attention, and you might solve this. On Monday afternoon five students at Bayview High walk into detention. Bronwyn, the brain, is Yale-bound and never breaks a rule. Addy, the beauty, is the picture-perfect homecoming princess. Nate, the criminal, is already on probation for dealing. Cooper, the athlete, is the all-star baseball pitcher. And Simon, the outcast, is the creator of Bayview High's notorious gossip app. Only Simon never makes it out of that classroom. Before the end of detention, Simon's dead.

Sophie Winters nearly died. Twice. The first time, she's 14, and escapes a near-fatal car accident with scars, a bum leg, and an addiction to Oxy that'll take years to kick. The second time, she's 17, and it's no accident. Sophie and her best friend Mina are confronted by a masked man in the woods. Sophie survives, but Mina is not so lucky. When the cops deem Mina's murder a drug deal gone wrong, casting partial blame on Sophie, no one will believe the truth: Sophie has been clean for months, and it was Mina who led her into the woods that night for a meeting shrouded in mystery.

Last summer, Alice Ogilvie’s basketball-star boyfriend Steve dumped her. Then she disappeared for five days. She's not talking, so where she went and what happened to her is the biggest mystery in Castle Cove. Or it was, at least. But now, another one of Steve’s girlfriends has vanished: Brooke Donovan, Alice’s ex-best friend. Enter Iris Adams, Alice’s tutor who has her own reasons for wanting to disappear. The police are convinced Steve is the culprit, but Alice isn’t so sure, and with Iris on her side, she just might be able to prove her theory.