Upon arriving in D.C., Smith is initially in awe of the capital’s monuments but quickly becomes disillusioned when he proposes a national boys' camp on land already slated for a fraudulent dam project. To protect their graft, the corrupt politicians frame Smith for the very crime they are committing. Encouraged by his savvy secretary, (Jean Arthur), Smith refuses to resign and instead launches a grueling 24-hour filibuster on the Senate floor to prove his innocence and expose the corruption. Controversy and Reception

It received 11 Academy Award nominations , winning for Best Original Story . Enduring Legacy

Many real-life legislators and D.C. journalists were infuriated by the "unflattering" portrayal of Congress, with some calling for the film to be banned.

Critics at the time labeled it "anti-American" and "Communist," fearing it provided propaganda for Axis powers during the early stages of World War II .

Today, the film is considered a masterpiece for its exploration of themes—the struggle of the "common man" against a powerful, corrupt system. James Stewart’s performance is often cited as the best of his career, marking his breakout as a leading man. In 1989, it was among the first 25 films selected for preservation in the U.S. National Film Registry due to its historical and cultural significance. "Mr. Smith" Comes to Washington - Senate.gov