Marcelo Ruggero (Argentina, 1886) was a famous actor, known for Outside the Law (1937), Secuestro sensacional (1942) and La vuelta de Rocha (1937).
He had a long career in theater and cinema, where he worked with great directors such as Carlos Hugo Christensen, Manuel Romero and Armando Bó.
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.
In order to get rid of his exgirlfriend, a rich boy marries a manicurist, agreeing to divorce months later. The deal is carried out, but the young man sincerely falls in love with her and desperately seeks her out to remarry.
A very coquette millionaire girl runs away before her engagement and is courted by a truck driver.
Lucy is a woman of shady past who convinces Argüello and Carlos to install an illegal gambling hall on a cabaret that worked legally. When Argüello is interested romantically in her, it rejects it because it is attracted by Carlos, a womanizer singer. The obsession for her leads Argüello to cheat in the game that he holds with Carlos and manages to ruin him, but finally both fight and Argüello dies stabbed but without denouncing his aggressor to recover his self-esteem as a professional player.