Lapu witnesses an alliance between the people of the Philippines and the United States in a dream which could lead to the rescue of the maidens.

[1] The opera was composed by Ladislao Bonus in the Tagalog language, the first in Philippine opera history,[2] and was based on a translation made by Roman G. Reyes of Pedro Paterno's La Alianza Soñada, a Spanish libretto.

[1] "Sampaguita" ("Flor de Manila") was among the more popular songs used in the opera which was composed by Dolores Paterno.

[3]"Marca Hispanica", "Lupang Hinirang", and '"The Star-Spangled Banner", national anthems of the Spain, the Philippines, and the United States were also incorporated in the opera.

[3] Walter H. Loving, founder of the Philippine Constabulary Band, made an English-language adaptation of the opera which was entitled The Dream Alliance.