Set at the turn of the century, Charles, a young aristocrat meets a 'Boy' named Frank on a country road. What Charles doesn't realize is that Frank is actually Frances, a nubile young woman, who has donned a disguise to escape working in a brothel. Charles takes Frank/Frances into his home, and when he discovers her true identity, the two become lovers. He sends her to London to be trained by his mistress in the art of sex, but she learns much more along the way...