Dena Thompson attempts to murder her new third husband with the lure of kinky sex, he barely survives and she gets three years in jail. Police eventually discover she's a gold-digger and murderer after finding large amounts of poison in the exhumed body of her second husband.
Meanwhile, turn of the century Chicago wife/necrophile Louise Vermilyea uses arsenic to murder two husbands, five stepchildren and two other men for years before getting caught. She manages to escape prison by using the poison to harm herself and spends the rest of her days paralyzed.
And Brookey Lee West was raised with her father teaching her Satanism, witchcraft and violence, while her mother engages in numerous affairs and neglects her and her brother. As an adult, the hatred planted in Brookey's childhood leads her to gag her now needy, elderly mother with a grocery bag, stuff her into a trash can and put it into storage where it remains undisturbed for three years.