Die Prinzessin von St. Wolfgang (1957)

Josefa Maria comes from an Old Austrian Noble family and is (due to her ancestry) promised to a noble Count. As she visits her hometown St. Wolfgang on vacation, she falls in love with the charming Car Mechanic Toni Leitner. Josefa soon decides to marry Toni. However, her Grandma, afraid of a public scandal, arranges a transfer of Leitner to Australia.