Kay Donovan has skeletons in her closet, but who doesn't? The past is the past, and now Kay's a star soccer player whose group of gorgeous, pedigreed friends run their private school with effortless popularity and acerbic wit. But when a girl's body is found in the lake, Kay's carefully constructed life begins to topple. The dead girl has left a memento, a computer-coded scavenger hunt, which, as it unravels, begins to implicate each of Kay's friends, until Kay herself is in the crosshairs of the murder investigation.

What do the queen bee, star athlete, valedictorian, stoner, loner, and music geek all have in common? They were all invited to a scholarship dinner, only to discover it’s a trap. Someone has locked them into a room with a bomb, a syringe filled with poison, and a note saying they have an hour to pick someone to kill...or else everyone dies.

Ellingham Academy is a famous private school in Vermont for the brightest thinkers, inventors, and artists. It was founded by Albert Ellingham, an early 20th century tycoon, who wanted to make a wonderful place full of riddles, twisting pathways, and gardens. "A place," he said, "where learning is a game." Shortly after the school opened, his wife and daughter were kidnapped. The only real clue was a mocking riddle listing methods of murder, signed with the frightening pseudonym "Truly, Devious".

After the death of her mom (screw cancer), seventeen-year-old Cecelia Ellis goes to live with her estranged grandmother, a celebrated author whose Victorian mansion is as creepy as the murder mysteries she writes. On the surface, life is utterly ordinary in the California coastal town . . . until the homecoming queen is murdered. And she’s not Seaview’s first pretty dead queen.

Everyone knows the Ivies: the most coveted universities in the United States. Far more important are the Ivies. The Ivies at Claflin Academy, that is. Five girls with the same mission: to get into the Ivy League by any means necessary. I would know. I'm one of them. We disrupt class ranks, club leaderships, and academic competitions...among other things. We improve our own odds by decreasing the fortunes of others. Because hyper-elite competitive college admissions is serious business. And in some cases, it's deadly.

She’s always had a special connection to the place, even before she was old enough to attend. The camp is the lifeline of Roxwood, the small town she lives in. Alpine Lake provides jobs, money and prestige to the region. Few Roxwood locals, though, get to reap the rewards of living so close to the glam summer that camp, with its five-figure tuition and rich kids who have been dumped there for eight weeks by their powerful parents. Goldie's one of them.

When Crystal Donavan gets a message on a mysterious app with a picture of her little sister gagged and bound, she agrees to play the kidnapper’s game. At first, they make her complete bizarre tasks: Steal a test and stuff it in a locker, bake brownies, make a prank call. But then Crystal realizes that each task is meant to hurt—and kill—her friends, one by one. But if she refuses to play, the kidnapper will kill her sister.

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.

Sadie hasn't had an easy life. Growing up on her own, she's been raising her sister, Mattie, in an isolated small town, trying her best to provide a normal life and keep their heads above water. But when Mattie is found dead, Sadie's entire world crumbles. After a somewhat botched police investigation, Sadie is determined to bring her sister's killer to justice and hits the road following a few meager clues to find him. When West McCray - a radio personality working on a segment about forgotten towns in America - overhears Sadie's story, he becomes obsessed with finding the girl.

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.