Season 1 centres arround the Kappa Kappa Tau sorority at Wallace University with the leader called Chanel Oberlin. The sorority is threatened by Dean Cathy Munsch who wants it must be open to all student, not only the elite. The terrifying things begins when a cruel slaughter reminding a murder 20 years ago happens. Members of the sorority become targets of the killer who wears costume as the Red Devil mascot first.