Tyler, who has a hideous ailment, visits the hospital and finds love; Chad returns to win Chanel back, and discovers Brock's dark secret; After a run-in with the killer, Cathy enlists the help of Denise Hemphill.
Chanel attempts to make contact with the latest victim; A Halloween party is thrown at the hospital, in hopes of catching the killer; Another victim falls.
Dean Munsch is forced to go to the authorities; Zayday and Chanel #5 visit someone with ties to the hospital; A new patient's arrival causes the staff to go mad.
Dean Munsch and Chanel organize a blood drive to solve the shortage at the hospital; Ingrid plans her revenge; Hester finds a way to join the staff; A shocking revelation involving the Green Meanie occurs.
Dean Munsch pitches a risky surgery to Dr. Holt, whose hand begins to express a different personality; Chanel #3 forces Cassidy to undergo a psych test; Ingrid sets a devious plan in motion.
Wes checks into the hospital, to try and win back Dean Munsch; Brock questions his relationship with Chanel; Zayday and Chamberlain devise a plan to discover the Green Meanie's origins.
The Chanels are overwhelmed when their TV idol, Dr. Scarlett Lovin visits the hospital; Hester calls a Green Meanie summit as the killers put their kill plan into effect.
The Green Meanie sets their final plan in motion; Hester makes a bold move to secure her future; Brock performs a dangerous surgery to save Dean Munsch's life.