Mr. Smith Goes to Washington (1939)

In "Mr. Smith Goes to Washington" (1939), an idealistic and naive man named Jefferson Smith is appointed to the U.S. Senate. He discovers corruption and fights against a political machine that seeks to silence his crusade for honesty and justice. With the help of his secretary and a newspaper reporter, Mr. Smith embarks on a passionate campaign to expose the truth and defend his integrity against powerful forces. The movie explores themes of integrity, democracy, and the power of standing up for one's beliefs in the face of adversity.