Hawthorne College is quieting down for the holidays. But as Riley Stone (Poots) and her Mu Kappa Epsilon sisters—athlete Marty, rebel Kris and foodie Jesse (Brittany O’Grady, Fox’s Star)—prepare to deck the halls with a series of seasonal parties, a black-masked stalker begins killing sorority women one by one. As the body count rises, Riley and her squad start to question whether they can trust any man, including Marty’s beta-male boyfriend, Nate, Riley’s new crush Landon or even esteemed classics instructor Professor Gelson. Whoever the killer is, he’s about to discover that this generation’s young women aren’t about to be anybody’s victims.