In an attempt to protect herself from the killer, Chanel makes a surprising decision, which leaves Zayday in a position of power. To stay close to each other, the girls of Kappa Kappa Tau host a slumber party, but when a shocking discovery is made, not everyone will survive the night.

Grace enlists Chanel’s help to learn more about KKT’s past, and ends up realizing she might not be so different from her nemesis after all. Dean Munsch goes “psycho” when she becomes the latest target of the Red Devils. Meanwhile, Denise becomes the new house mother of Kappa House and a shocking figure from the past returns.

Denise does little to calm the Kappas' fears when she spins a terrifying ghost story. Meanwhile, Hester's shocking announcement pushes Chanel to the edge, and a familiar face returns to campus as the Red Devil claims another victim.