A poor composer sells his songs to a music publisher who attributes them to his son, who sells them to a famous singer. Seeking the son, the musician's daughter will unexpectedly find a job as secretary to the singer, disguised as an unattractive and authoritative woman who effectively controls his careless lifestyle.

Barcelona, Spain, at the end of the 19th century. Joaquín Rius, a prominent businessman, marries the young Mariona Rebull. Their apparent happiness is overshadowed by the arrival of Ernesto Villar, Joaquín's friend and Mariona's former lover.

King Charles V sent his confidant, Don Fernando,from France to the Spanish Court carrying an important documentation. However, the frigate where he travels is sunk by the British and all the sailors perish. Don Fernando manages to save his life reaching the island of Menorca where he is helped by a humble fisherman