Includes an alternate ending , "You Messed with the Wrong Sisters" featurette, and deleted/extended scenes. Core Cast & Crew Director: Sophia Takal . Writers: Sophia Takal and April Wolfe . Riley Stone: Imogen Poots . Kris Waterson: Aleyse Shannon . Professor Gelson: Cary Elwes .
Sorority sisters at Hawthorne College are stalked by masked figures during winter break after performing a talent show song condemning "rape culture" . Black Christmas (2019) 1080p
The killers are fraternity members controlled by a supernatural black liquid leaking from a bust of the college's founder, Calvin Hawthorne . Includes an alternate ending , "You Messed with
Riley and her sisters discover that Professor Gelson is leading the cult. They eventually fight back, destroy the bust (which strips the men of their powers), and burn down the fraternity house . Critical & Audience Reception Riley Stone: Imogen Poots