College student Tracy receives an assignment to write about her favorite film genre. Her research leads her to a book containing three interconnected stories. In "The Vat," two women are harassed by a religious fanatic who threatens violence, leading to chaos. "Big Debbie" follows a woman abandoned at the altar who becomes entangled with two men who exploit her for their unusual sexual desires. After an accidental death, they must dispose of the body, but a woman who witnessed the event blackmails them into killing her cheating girlfriend. Finally, "Inglorious Bitches" features a pair of female vigilantes who use a phone app to track and murder sex offenders.