Rendered mute after being sexually assaulted as a youth, Madeleine (sexploitation superstar, Christina Lindberg) lives an isolated existence in her parents' farmhouse. Missing the bus on her way to town one day, Madeleine accepts a lift from a wealthy and charming stranger named Tony. What starts off as an innocent meeting soon takes a nightmarish turn when Madeleine learns that Tony is really a sadistic pimp on the make, who soon enslaves her into his prostitution racket by forcing her to become dependent on heroin. After refusing to service a client, Tony punishes Madeleine by violently blinding her in one eye, forcing her to wear an eyepatch. Despite her limited means, Madeleine secretly saves money to undergo karate and weapons training behind Tony's back. Once she reaches lethal proficiency, Madeleine embarks on a bloody road to revenge against her captors...