When her boyfriends are tempted by attractive women who are only interested in their money, two friends decide to join forces to make them give up such love affairs.
A single mother who is denied work to support the son she had with the aristocrat who had seduced her, is helped by a singer, a director of orchestra and an American female singer, who get her shelter in the humble pension where they live.
Driven by the passion of his girlfriend, a humble young man gets a place as a singer achieving resounding success. When he gets it, he marries a famous diva leaving behind his youthful love.
Romance starts in Rio between a Mexican tenor being wooed for a Buenos Aires production, and an Argentine gal who has won a soap contest and who he thinks is rich.
