"The Singing Nun" is a 1966 film directed by Henry Koster, inspired by the true story of Sister Ann (played by Debbie Reynolds), a Belgian nun with a talent for music. The film follows her journey as she uses her singing abilities to uplift her fellow nuns and spread joy, ultimately gaining fame and recognition beyond the convent. The story highlights the challenges Sister Ann faces, including the conflict between her religious duties and her desire for personal expression. The film features original songs, showcasing the power of music in bringing people together and the importance of following one's passion while remaining true to one's beliefs.