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.

Seventeen-year-old Nell knows two things for sure—she’s never going to get out of her rural, dead-end hometown of Clawson, NY and her best friend Stevie B and longtime boyfriend Cole are never going to leave her. That is until Charlotte, a new girl, arrives at their school and their lopsided friend triangle is turned on its axis. While Nell and Stevie B are certain that Charlotte isn’t who she says she is, Cole is caught fully in her thrall. When Nell and Stevie B finally confront Cole and Charlotte, they learn the impossible—Charlotte is actually from the future.

Hoodie Rosen's life isn't that bad. Sure, his entire Orthodox Jewish community has just picked up and moved to the quiet, mostly non-Jewish town of Tregaron, but Hoodie's world hasn't changed that much. He's got basketball to play, studies to avoid, and a supermarket full of delicious kosher snacks to eat. The people of Tregaron aren’t happy that so many Orthodox Jews are moving in at once, but that’s not Hoodie’s problem.

Raisa of Upper Earth has only lived a life of privilege and acquiescence. Ever dutiful, she accepts her father’s arrangement of her marriage to Lein, Crown Prince of the corrupt, volatile lands of Lower Earth. Though Lein is a stranger, Raisa knows the wedding will unite their vastly different worlds in a pact of peace: an infusion of Upper Earth technology will usher in the final age of enlightenment, ending war between humans forever.

Tangleroot was built by one of Noni’s ancestors, an enslaved man named Cuffee Fortune—who Dr. Castine believes was also the original founder of Stonepost College, and that the school was originally formed for Black students. Dr. Castine spends much of her time trying to piece together enough undeniable truth in order to change the name of the school in Cuffee’s honor—and to force the university to reckon with its own racist past.