In George Bernard Shaw's play Pygmalion a phonetician believes the power of speech is such that he can introduce a Cockney flower girl to polite society after careful language and etiquette training, and no one will discern her true roots. The professor and the flower girl grown close, but after her successful debut she rejects the professor and his overbearing ways for a poor gentleman.
The most famous adaptation of the play is the 1964 film My Fair Lady, starring Audrey Hepburn and Rex Harrison.