A young woman engaged to a millionaire falls for the understudy in a Broadway musical.
An orphan is provisionally adopted by the manager of a hotel populated by show business people. The hotel's owner doesn't like the entertainers and wants the girl returned to the orphanage.
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.
