The Music Man setting is Iowa, a Midwestern state in the United States. It is known for its rolling hills, lush green fields, and small towns. The story of The Music Man takes place in the fictional town of River City, Iowa, which is based on the real-life city of Mason City. The musical follows the story of Professor Harold Hill, a con man who attempts to swindle the townspeople out of their money by selling them instruments and uniforms for a boys' band he promises to organize.