"Miracle on 34th Street" is a classic holiday film that tells the story of Kris Kringle, a man who claims to be the real Santa Claus. After he is hired to be the Santa at the Macy's department store in New York City, he spreads joy and kindness, but his authenticity is questioned by those around him. The film explores themes of belief and the spirit of Christmas. A young girl named Susan Walker learns to believe in Santa Claus through Kris's actions, while a court case ensues to determine his sanity and legitimacy, ultimately highlighting the importance of faith and imagination.