A former gunfighter who went to prison but then took up religion arrives in a western town as the new preacher. There he finds a feud between the ranchers and the farmers. The Railroad Agent is after the ranchers land and has his men causing all the trouble. The new preacher sets out to bring the two sides together and he says he will not need a gun.

Light bio-pic of American Broadway pioneer Jerome Kern, featuring renditions of the famous songs from his musical plays by contemporary stage artists, including a condensed production of his most famous: 'Showboat'.

路易斯·阿姆斯朗经典作品，由著名导演阿瑟·卢宾完成于1947年。片中两位主演理查德·哈格曼、桃乐西·帕特里克的表演恰到好处，将各自角色塑造得丰满鲜活，栩栩如生，让人印象深刻。此外，片中的大量音乐对这部影片来说更是锦上添花。
出身上流社会的史密斯小姐回到新奥尔良，夫人准备为女儿办一场音乐会展示女儿的才华。著名音乐指挥家福布先生担任音乐会指挥。爵士音乐当时是不能与高雅的古典音乐相提并论的，它是劳动歌曲，源自非洲黄全海岸，其优美的旋律深深吸引了她，风流潇洒的黑人爵土乐队支助者赌场老板金·尼克先生也让她着迷。史密斯夫人极力反对女儿爱金先生，并想方设法破坏尼克的生意，为了不影响史密斯小姐的事业，尼克去了芝加歌。他的爵士音乐在芝加歌大受欢迎，史密斯小姐的歌唱事业也取得了辉煌的成绩，她终于明白尼克离开新奥尔良是为了成就她的发展，随着爵士音乐在全美的广泛流行，他们将二者结合，高雅与通俗得到宗美统一……