Records, ragtime, and the renowned composer, John Philip Sousa, have appeared on the Minneapolis music scene, much to the delight of Mark Morgan. Mark and his sister, Holly, have returned from their trip to San Francisco, but now Mark's best friend, Jens, isn't speaking to him. Holly's friends are jealous of her, and Mark and Holly's stepfather doesn't seem to have any time for his family. Mark soon finds that he must choose between doing what his...