Mildred Moyer transforms from shy misfit to loveable psychopath when her back-alley plastic surgery is botched. Mildred finds herself living her best life as she unleashes brutal vengeance on all those who tormented her in the past.
A group of people go on a "serial killer" tour, visiting the sites where legendary deceased murderer Zacharias Cook slaughtered his victims, only to find the killer isn't dead and now has his sights set on them.
