The Boy Friend (1926)

Miss Ida May Harper of Smallsville yearns to go to New York City and experience the good times to be had there, as told in the letters her NYC friend writes to her. She gets into the local social whirl and ditches her boyfriend Joe Pond, who works at the drugstore, because he doesn't dress swell. Joe buys a copy of "The Book of Charm" and sets out to impress her.