The plot reflects the figure of Pascual Contursi, tango poet. In love with a singer, he leaves his wife and son to go with her. Some time later, the singer leaves him and he composes the tango that gives the film its title.
Two sisters struggle to get out of a Buenos Aires suburb, where debts with a loan shark have kept them apart. But soon the inhabitants of the neighborhood forget their differences before the appearance of an epidemic.
Under the threat of blackmail, a young woman visits an ex-lover, only to discover that he's been murdered and the blame rests upon her.
Fast-talking con artist type falls in love with a nice young woman and tries to go straight to win her father's approval.
A gaucho flees from justice for murdering a man with whom his girlfriend was betraying him. He settles in a place where he falls in love with a woman, also desired by the local commissioner.
An eternal student takes care of younger students.
The life of José Gabriel Brochero, the Cordovan priest who dedicated his life to those most in need.
