The action occurs in Abasto Market in Buenos Aires, Argentina. A grown up single woman marries a mafia man who promised her he would change. After they've married, his past come to ruin the wife's life.
The film refers to the "gray neighborhoods", called in Argentina "villas miseria", in which the less qualified workers or those who have recently arrived from the rural areas live in the industrial cordons.
The film tells the story of the natural son of a former president of Argentina and father of public education in the country, Domingo Faustino Sarmiento, named Domingo, according to the first autobiographical accounts.
A vaudeville singer secretly marries a wealthy landowner, who soon returns to his ranch, fearing the rejection of his snobbish family. To teach him a lesson, she shows up at his estancia pretending to be a maid.