The businessman in question is Harry Brock, a wealthy and powerful figure with ambitions to build a major center in Washington. His girlfriend, Billie Dawn, is a former showgirl who initially seems out of her depth in the world of politics and power. Harry hires journalist Paul Verrall to educate Billie and help her fit in more easily with the elite crowd.
Despite initial skepticism on both sides, Paul begins to develop feelings for Billie as he witnesses her intelligence and sense of justice. Meanwhile, Billie begins to question Harry's business practices and his treatment of her, leading to a dramatic showdown between the three of them.
Born Yesterday is a romantic comedy that explores themes of power, class, and the importance of education and critical thinking. It stars Judy Holliday as Billie, William Holden as Paul, and Broderick Crawford as Harry, and was directed by George Cukor. The film was highly successful upon its release in 1950 and has since become a beloved classic of American cinema.