Regina Baff is a waitress in New York City who would do anything to escape her life. She ends up becoming a lady wrestler called "The Mexican Spitfire." Trained by veteran Mildred Burke (played by herself), Baff finds a whole new life on the Midwest grappling circuit. A look at the turbulent world of women's professional wrestling, based on Rosalyn Drexler's novel To Smithereens.