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.