Before Reed Brennan came to Easton Academy...

Before Thomas Pearson was murdered...

Before Noelle Lange ruled Billings House and Ariana Osgood became Easton's most notorious student, Ariana was just another girl at boarding school.

But then one cold snowy night on campus, Ariana fell for someone she shouldn't - and that changed everything. Because someone was watching. And now they're intent on turning Ariana's holiday weekend into a nightmare…