The exposition of Ibong Adarna introduces the Kingdom of Berbanya, its king and queen (Don Fernando and Donya Valeriana), and their three sons: Don Pedro, Don Diego, and Don Juan.ExplanationIn the exposition (or beginning part) of Ibong Adarna, we learn:King Don Fernando becomes gravely ill and no doctor can cure him.The only cure is said to be the song of the mystical bird, Ibong Adarna, found in Mt. Tabor.The king sends his sons one by one to find the bird and bring it back to heal him.This part of the story sets up the:Characters (royal family, especially the three princes)Setting (Berbanya and Mt. Tabor)Conflict (the king’s illness and the quest for the magical bird)