The title alludes to the popular 1925 song I Lost My Heart in Heidelberg composed by Fred Raymond with lyrics by Fritz Löhner-Beda and Ernst Neubach. The film taps into the nostalgic reputation of Old Heidelberg.
Chronicles the Alpine war experiences of young Toni Bruggler (Ludwig Kerscher), a Tyrolean-German member of the Standschützen (militiamen), comprised of those who are too young or old to fight in the Austro-Hungarian Habsburg army.
Berchtesgaden in the 15th century: A power struggle between mountain peasants who have been raising milk cows on common land and a village bailiff trying to gain power driving them off the land. Both have a ducal documents that states the opposite.
Princess Mareile and her brother have been kidnapped. Guided by Mr. Moon, Little Muck uncovers the plot of a witch, steals her miraculous running shoes and frees the captive children from the lair of the evil giant Bumbo.
