A radio correspondent tries to rescue a burlesque queen from her marriage to a Nazi official.

Theater manager James Guthrie's (Melvyn Douglas) career depends on famed soprano Elsa Terry (Grace Moore) singing in his Buenos Aires opera house, however, Elsa breaks the contract in favor of a more lucrative deal in Paris. Desperate, James begins showering her with flowers and candy in an attempt to woo her to the Argentinian opera house. When Elsa overhears James confess to his friend Pancho that he'd be willing to resort to kidnapping to get Elsa to Argentina, she mistakenly believes his motives to be solely romantic.

The newly-named emperor Maximilian and his wife Carlota arrive in Mexico to face popular sentiment favoring Benito Juárez and democracy.

True story of the doctor who considered it was not immoral to search for a drug that would cure syphilis.

German Julius Reuter sends 19th-century news by carrier pigeon and then by wire, founding a news agency.

An Austrian prince flees his homeland when the Nazis take over and settles in London. He meets a beautiful Austrian émigré who makes him realize his mistake in leaving. He makes a deal with the Nazis to return in exchange for some Austrian prisoners, but discovers that the Nazis are not to be trusted.

An anti-Nazi refugee on the run and a young Jewish couple race across Europe trying to escape Hitler's ever powerful influence.

Hans Memling, a young intellectual, patriotic German, is secretly opposed to the Nazi regime. With the aid of Gustav Schultz, Father Pommer, Anna Wahl and others, he is gleaning accurate information from foreign radio broadcasts and distributing it through Germany with an underground-press operation.

Rival reporters Sam Craig and Tess Harding fall in love and get married, only to find their relationship strained when Sam comes to resent Tess' hectic lifestyle.

Following a tragic accident that leaves him disfigured, crazed composer Erique Claudin transformed into a masked phantom who schemes to make beautiful young soprano Christine Dubois the star of the opera and wreak revenge on those who stole his music.