卡洛琳·塞雷斯从星探布鲁克那里得到了一份好莱坞合同，但后来因为太年轻被拒绝了。她爱上了巴德·博登，另一个帮助她成为好莱坞明星的人。部分基于Darnells早期在好莱坞的经历。

Katharine Hilliard, mousy dean of a stuffy music school, meets and is insulted by swing band leader Barry Clayton on a train. To "show" him she takes a friend's advice, removes her glasses, and puts on a designer gown. Naturally, she becomes gorgeous. Soon, both Barry and crooner Jimmy Hale are after her, and she finds herself in the midst of triangles and misunderstandings.

Songwriters Calhoun and Harrigan get Katie and Lily Blane to introduce a new one. Lily goes to England, and Katy joins her after the boys give a new song to Nora Bayes. All are reunited when the boys, now in the army, show up in England.