The romance of two migrants in Buenos Aires intercut with documentary footage of early '70s Argentina.

A terrifying story based on a fact occurred in Buenos Aires, early 1967. Reported in "La Nación" and all the other newspapers, after the death of a woman interned at the Instituto de Detención para Mujeres. Doctor Vallejos, the magistrate in charge of the inquest, gets enmeshed in personal intrigue, organized corruption, lust and vice in which apparently all the penitentiary personnel and an organized gang of dangerous inmates are involved, operating within the prison itself.

The film tells the story of a real life fan of Boca Juniors football club, Mary Esher Duffau, who as a teenage girl adopted the identity of a man in order to survive on the streets of Buenos Aires. The film shows the teenage Raulito wandering between a reformatory for juvenile offenders, prison and psychiatric hospital. Raulito manages to escape, and finds work at Constitución railway station in Barrio Constitución. Raulito meets up with another street child and they become close friends. They both eventually manage to escape to Mar del Plata.

Emilia, an imaginative young woman from a small town, goes to Buenos Aires in search of her missing sister. The clues take her to Andrés, a mysterious man who may have led her sister astray.

A touring theatre travelling through Uruguay soon turns into a melodrama, which in turn degenerates into an incredible police affair.