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.
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".