The film tells an episode of the life of a kindly hearted bootblack who becomes accidentally the tutor of an orphan but nevertheless spends all his time and effort for the sake of the boy.
The simple life and the values of loyalty and solidarity of the poor people in the environment of professional boxing, is the plot of this film, where Pepe el Toro shows the effort and tragedies that are experienced in this profession.
A widower's young son leads the police to a killer of sinners in Mexico City.
