Who is Malli, Mamzell from Anecdotes of Destiny ; and, Ehrengard and what is their importance?

Malli is the daughter of Madam Ross and Captain Alexander Ross. She is deeply committed to her role Ariel in the theater troupe of Herr Soerensen. She is a heroine in saving a ship and crew, and she later becomes engaged to Arndt, the son of the leading family in the port at which they arrive. After the death of the sailor Ferdinand, Malli realizes that the play, The Tempest, and acting in the theater are more real to her than ordinary life. She then flees from her fiance Arndt, to continue to be Ariel in the theater troupe's play, The Tempest.