Scoring an invitation for membership to the exclusive Legacy Club in New York City is more than an honor. It gives you a lifetime of access to power and wealth beyond any prep school doors and guaranteed safety and security. So it’s not surprising when Excelsior Prep seniors Bernie Kaplan, Isobel Rothcroft, and Skyler Hawkins are nominated as Legacies; their family pedigrees have assured their membership since birth—even if they're all keeping secrets that could destroy their reputations. But scholarship kid from Queens Tori Tasso? She’s a surprise nominee.

When Anna Cicconi arrives to the small Hamptons village of Herron Mills for a summer nanny gig, she has high hopes for a fresh start. What she finds instead is a community on edge after the disappearance of Zoe Spanos, a local girl who has been missing since New Year’s Eve. Anna bears an eerie resemblance to Zoe, and her mere presence in town stirs up still-raw feelings about the unsolved case. As Anna delves deeper into the mystery, stepping further and further into Zoe’s life, she becomes increasingly convinced that she and Zoe are connected.

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.

Calista, Zoe, Holly, and Denise were inseparable best friends when they spent their summers together at sleepaway camp. But after an unexplained tragedy forced the camp to close, the girls drifted apart.

When Mariella Morse accuses her boyfriend, Vik Gomez, of murdering her wealthy parents with an axe, the town is quick to believe her. It doesn’t help that Vik is caught standing over her parents’ bodies with blood on his hands, unable to remember anything about the night in question. But Vik’s sister, Tessa, knows that Vik would never be capable of such a gruesome crime. Haunted by the mistakes she made that led her family to move to Fall River, MA, in the first place, she sets out to prove her brother’s innocence.

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.

Fun-loving Jake tells his girlfriend, Jessica, that they have to go to Tegan’s end-of-summer party in their tiny California beach town. Jessica doesn’t like parties, and she doesn’t like Tegan, who has an obvious, obsessive crush on Jake. But she agrees to go, to make Jake happy.

Josh Baxter, the man behind the wheel, is a virtual stranger to Charlie. They met at the campus ride board, each looking to share the long drive home to Ohio. Both have good reasons for wanting to get away. For Charlie, it’s guilt and grief over the shocking murder of her best friend, who became the third victim of the man known as the Campus Killer. For Josh, it’s to help care for his sick father - or so he says.

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.

Jen Weinstein and Lauren Parker rule the town of Salcombe, Fire Island every summer. They hold sway on the beach and the tennis court, and are adept at manipulating people to get what they want. Their husbands, Sam and Jason, have summered together on the island since childhood, despite lifelong grudges and numerous secrets. Their one single friend, Rachel Woolf, is looking to meet her match, whether he’s the tennis pro. But even with plenty to gossip about, this season starts out as quietly as any other. Until a body is discovered, face down, off the side of the boardwalk.

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.

Bristal Jamison has a bad reputation and a foul mouth, but she also needs one more credit to graduate. An unexpected partnership forms as the two remake Lydia’s town history podcast to investigate the Long Stretch of Bad Days—a week when Henley was hit by a tornado, a flash flood, as well as its first, only, and unsolved murder.

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.

Carrie wants a normal life. Carrie Lawrence doesn’t need a happily ever after. She’ll just settle for “after.” After a decade of helping her sister hide her victims. After a lifetime of lies. She just wants to be safe, boring, and not trekking through the woods at night with a dead body wrapped in a carpet. Becca wants to get away with murder. Becca Lawrence doesn’t believe in happily ever after because she’s already happy. She’s gotten away with murder for a decade and has blackmailed her sister into helping her hide the evidence - what more could a girl want?

Piper Sullivan was in a strange hiking accident last month and has been in a coma ever since. Her older sister, Savannah, can’t pretend to be optimistic about it; things look bad. Piper will likely never wake up, and Savannah will never get any answers about what exactly happened. But then Savannah finds a note in Piper’s locker, inviting Piper to a meeting of their school’s wilderness club—at the very place and on the very day that she fell. Which means there was a chance that Piper wasn’t alone.