The most popular sorority, Kappa House, is ruled by Chanel Oberlin's iron fist until Dean Cathy Munsch steps in; a devil-clad killer wreaks havoc on campus.
As Halloween approaches, Zayday makes a stunning announcement and Chanel concocts a devious plan; Pete and Grace visit a mysterious woman connected to Kappa's past; Dean Munsch struggles to keep Wallace University open.
Chanel turns Hester into her next project; Chanel No. 3 shares a secret; a surprising connection between two students is revealed.
Dean Munsch makes an announcement that impacts Chanel's plan to throw a pumpkin-patch party; Pete and Grace search for their friend.
