"GIVE ME THIS DANCE...AND I'LL GLADLY DIE TO SAVE THE MAN YOU BELONG TO!"
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.

Prince Kurt von Rotenberg
Marta Keller
Baron von Helsing
Sub-Lieutenant Blackler
Louis
German Secretary
Capt. Wilhelm Ehrhardt
Second Sailor
First Sailor (uncredited)
Pierre
Baron Shafter
Stewardess