Welcome back to Porterville. Librarian by day, homicidal killer by night, Chainsaw Sally faces a new nemesis, Angel Eyes who has come to town to take credit for all of Sally's good work.

Sally is a young woman living two lives: a calmly librarian by day, and a brutal serial killer by night where she randomly targets any man or woman whom even slightly upsets her. Sally lives with her reclusive, transvestite younger brother Rudy whom assists her with the killings. Both Sally and Ruby were traumatized as children when both of them witnessed three lunatics murder their mother and father before they, with 'Daddy's' help, killed the three murderous psychos.

At the age of 10 years, Sally has witnessed the brutal murder of her parents.Over the years has gone through a shock resulted in a split personality: the day Sally works in the library, and at night it becomes a ruthless maniac with a chainsaw.