Margie (1946)

Margie and her daughter reminisce about Margie's girlhood in the roaring twenties. In flashback, Margie, a smarter, less popular girl at Central High, meets handsome new French teacher Ralph Fontayne; circumstances keep throwing them together and Margie, in company with every other girl in school, develops a crush on him. Then Margie's date for the prom gets sick, and what happens next surprises everyone.