Arrested when he gets into a fracas, while escorting the girl he has hitherto loved only from afar, noted ballet dancer Delphine, to her car, Danny O’Day, famous radio tenor, is late for his broadcast and ruled off the air. He meets his friend Jerry Burke at the restaurant of Jack Dempsey where the Manassa Mauler consoles him. Delphine breaks her contract and aided by her friend Dot Frost escapes her manager, Antonio Grezato and sails for Europe on the “Normandie,” disguised as a school teacher. Danny and Jerry are also on the boat. Delphine is impersonated by Maizie Marshall who closely resembles her. Maizie does this at the instigation of Nick Harrington, a suave crook who has recognized Delphine and sees a chance for some dishonest doings. Delphine cannot object because Harrington threatens to unmask her if she does. Nick and Maizie steal Delphine’s passport and letter-of-credit during a fancy dress ball. When the ship lands at Harve, France, James P. Hargrave, international peace propagandist who wants Danny to sing on a peace broadcast, is arrested on suspicion of being a Communist agitator. Delphine, who has befriended him, is also arrested. Maizie is interviewed by the press, thinking she is Delphine, and is offered an engagement in the ballet Appasionata for 100,000 francs. She receives half in advance, As Danny sings in the peace broadcast from the Eiffel Tower, he learns what has happened to Delphine and Hargrave from Dot.