After the death of the village pharmacist, his widow Lina only inherits debts that he must face. Valentin, the old shoemaker, is the main creditor and the exuberant Lina must pay him what he owes, whatever it costs.
Daniela – a single mother, whose boyfriend left for the US – believes wholeheartedly in Cuba's revolutionary new order. Meanwhile, in Florida, a plot is afoot. Under the command of an American officer, four Cubans ex-patriots and a Guatemalan land on the Cuban coast to prepare a US invasion of...
A delinquent, the son of a police commissioner, leaves prison to seduce someone who should be like a sister to him: a girl raised and loved by his parents. To force her to give in to his obsession, he kidnaps her little daughter.
Some professional actors are unemployed due to the opinion of a theater critic, then they decide to take revenge and disguise themselves as poor tenants from a neighborhood who are hired by the same critic to perform his work.
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.
A train stops for a break in the station of a small town. That random moment allows the railway chief to fall in love with a beautiful passenger, who ends up wrapping him in a complex police plot.