Old fashioned opera adaptation: A feisty and free spirited woman of the Tyrol withdraws to a mountain peak when she is separated from the man she loves.
Guests at a luxury hotel are horrified when they witness a man literally "disappear into thin air." The vanished man's relatives hire a detective, who goes to the hotel to investigate the disappearance.
Thelma and Zazu are on a leisurely excursion in a borrowed car. Thelma lets Zazu drive. When she brakes to avoid a bull pulled along by three rustics, her foot gets stuck and the car crashes through a barn.
Stephan Gregorovitch, the unwilling king of a bankrupt Ruritanian country, along with his hucksterish chancellor and musically-inclined bodyguard, travel incognito to London for some fun.