Plot
Duke Hans' castle is located on a rocky island out at sea. Construction was led by Duke Hans a long time ago. One day, his two descentendts Birger and Valdemar begin exploring the castle.Rerun
The series was aired as a rerun between 4 February-7 March 1997.References
1994 radio programme debuts 1994 radio programme endings Fictional fortifications Sveriges Radio's Christmas Calendar {{Sweden-media-stub