A priest is unjustly sentenced to death for a murder he did not commit. The surprise will be greater when he, while in prison, knows who the murderer is through the confession of his daughter.
The film narrates events of the Revolution of the Park, carried out by radical sympathizers on July 26, 1890. There is a secondary plot with the romance of a girl who, despite being in love with her father's godson, must contract a marriage with a banker that fails.
Two girls without blood relationship but physically the same. One is shy and educated, the daughter of a good class marriage and the other is a very clever orphan but with terrible manners who lives in a kind of shelter.
Two gangs of drug traffickers try to control the monopoly of drugs in the city, while the police commissioner tries to kill them with the help of a snitch, "the puppet".
A young actress intends to win over a man who, after Don Juan's fame, had isolated himself in a ranch, for which she disguises herself as a man and becomes his chauffeur.