The young Candelas, seduced and abandoned by Arturo, an unscrupulous womanizer, meets two soldiers, Tiburcio and Angelillo, who, in order to help the girl out of her predicament, organize a musical recital to raise money.

Carmen and Ángel are in love but her mother does not approve their relationship.

In order to save her marriage, the famous soprano Marta Vélez decides to retire from the stage.