When a winter storm traps eight teens in a remote ski cabin, they find themselves stranded with a killer—who may be one of their own. The trip of a lifetime might be the death of them all. 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. And when a blizzard strikes, secrets are revealed, betrayals are exposed, and survival is at stake in a race to the bitter end.