The story takes place on the Wallace University campus, and the heart of it is a fictional Kappa sorority.The show starts with a memory plot in 1995, when something terrible happened to the sorority that year, but the problem is never resolved.Twenty years later, someone intends to take revenge.The audience will see all the important characters in the first episode, and then a bloody massacre begins, and these characters die one by one.Role and Actor: Emma Roberts plays Chanel, the president of the Kappa sorority, beautiful and stylish, humorous but ruthless.She has always longed to be the chairman, to keep her perfect boyfriend, and to rule the girls in the sorority.Jamie Lee Curtis plays Wallace University president Cathy Munsch, who recently divorced.The racism problem on campus is very serious and she is committed to eradicating it.She is a powerful leader and jihadist, and in order to close the entire system, she does not hesitate to "kill them" - this is both metaphorical and literal.Keke Palmer plays Zayday, a member of the Kappa sorority club, and is a recognized genius.She didn't like the sorority, but she got involved only after someone persuaded her to run for the sorority president.In addition, the experience of the sorority will make her resume "rich and colorful", and it is more beneficial to find a job after graduating from college.She was surprised to see Principal Munsch attempting to change the existing student system.Abigail Breslin, Ariana Grande and Billie Lourd play Chanel's "subordinates".They cannot accept the changes in the association, and they cannot face the principal's offensive.Nick Jonas and Glen Powell play members of a golf fraternity, the typical bad boy: white kids from prominent families, holding high golf scholarships, are the most popular boys on campus.Among them, Glen Powell's character Chad is Chanel's boyfriend.Nick Jonas' character has the "Dark Side".