A young working-class man comes from Misiones (an Argentinian province) to Buenos Aires, with a fighting rooster, looking for his brother, and gets involved with low life characters, who introduce him to a world of crime.

A young working-class man comes from Misiones (an Argentinian province) to Buenos Aires, with a fighting rooster, looking for his brother, and gets involved with low life characters, who introduce him to a world of crime.