Deep within the seedy side of town, where the subculture of the depraved and the perverted hide in the shadows, a beautiful girl has awakened to find herself in the middle of a twisted sexual nightmare. Sin City presents the story of an infamous underground sex institution, where women are taken to learn the art of decadent erotic pleasures. An institution where morals and inhibitions are cast to the wind as the once shy and innocent girls are transformed into wild sexual animals on the prowl for the most intense and perverted experiences ever imagined.