Theatrical agent Waldo Main is inducted into the army, and turns his now clientless agency over to his secretary Dottie Duncan. Dottie decides to organize an all-girl orchestra to fill the void caused by so many orchestra members being called to service due to WWII, and joins struggling singers/songwriters Sally Richards and Sue Ford in this endeavor. Dottie's screwball schemes to get engagements for the group often lead to disaster.
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.
A teenager who's been raised and home-schooled at her father's Texas ranch must adjust to her new surroundings and being with other students when she's sent to a San Antonio high-school.
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.
Homer Tompkins, a trusting young musician with aspirations of becoming a radio star, is installed in a fine set of offices in Reno by a quartet of con artists who have bugged rooms and suites, with the title of "professional listener", and he passes off what he hears to his employers, Lulu, Trixie, Maurice and Champ and they use the information for blackmail purposes. They also so involve his sweetheart, Toots, that he can not withdraw even when he finally learns he is being used as a tool.