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.

It's been eight months since the body of Eloise Parrish was found in the woods. Eloise's surviving sister, Oli, is numb with grief and shock. But Oli's also angry. Her sister's killer was never identified or caught. There are no leads, no clues. The case is growing cold, and only Oli seems to care. Until Oli finds another girl left for dead, in the exact spot Eloise's body was found. Except this girl is alive. She can't remember how she got there, but Oli knows that she's the key to solving Eloise's murder.

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.

The students of LA’s elite Warner Prep can’t wait for their Senior Excursion—five days of Instagrammable adventure in one of the world’s most exclusive locations. This is not your average field trip. Which is why eight students can’t believe their bad luck when they end up on a digital detox in an isolated Colorado ski chalet. Their epic trip is panning out to be an epic bore . . . until their classmates start dropping in a series of disturbing deaths. The message is clear: this trip is no accident.

In the heart of the English countryside, Bessie and her closest friends gather at a remote castle for a secret party destined to make this the best spring break ever. But when the first of them dies, the party takes a lethal turn. As the body count continues to rise, Bessie and her friends must contend with a deadly storm and growing internal suspicion, all while trapped inside with a killer.