Annie, the ward of Monsieur Joachim, a nightclub manager, has fallen in love with Philippe Lebon, a singer who could easily re-float her guardian's failing business. The trouble is that Joachim has already - and hurriedly - betrothed Annie to his business partner. To make matters worse the young lady suspects Philippe of being unfaithful. In order to thwart the wedding of Annie and his rival, Philippe hires two of his friends, the resourceful Beaudubec and Tracassin.

The film tells the story of three presenters on Radio X, an amateur clandestine radio station.

The accountant of an insurance company, rather eccentric and quick to push the song, is responsible for monitoring the actions of an alluring South American whose suicide would mean the collapse of the company. Finally, the accountant discovers an attempted insurance scam and marries the surly and charming interpreter who was the liaison between the South American and himself.

While visiting Hollywood a starstruck movie fan (Eddie Cantor) fantasizes about himself cast in an Arabian adventure. Director David Butler's comedy--with many songs--also features Tony Martin, Roland Young, Gypsy Rose Lee (billed as Rose Hovick), John Carradine, June Lang, Virginia Field, Charles Lane, The Peters Sisters and many big-name guest stars playing themselves.