After the end of the military dictatorship in Argentina in 1983, Floreal is released from prison. Instead of returning to his wife, he wanders through the night of Buenos Aires. He meets some people from his past–most of which are only imaginary–and remembers the events of his imprisonment.
A once prominent family fight each other over the inheritance of a run down mansion. Motivated by individual greed, they turn on one another until they unite to subdue a stranger prone to violence. Outwardly the family retains respectability and their name is not sullied, but irreparable harm is done to the unit and mutual trust is shattered in the wake of the events that transpire.
The birds in question are a group of young ladies who, for different reasons, leave the convent where they grew up in order to face "the struggle of life".
Daniel, a smuggler is chased by a policeman. In his escape are helped by the messages that his lover transmits to him in code by means of the tangos that sings in a radio program. To hide himself, he pretends to be a teacher in a small town in Entre Ríos, and by the time he discovers it, the police have already faced a new life.
A Young man from a wealthy family hide them his attraction for tango culture of arrabal. In a milonga he fell in love with Mirella and he have a knife fight with all others guapos that want her, he won. Time pass and Mirella became a mistress but this situation is unstable because of the society prejudices.
