An administrative police officer, Franco Montero, receives as an inheritance the care of a half-brother that he did not know. Lorenzo Montero, a child prodigy with an IQ of 200 who changes his way of life and his work. The eleven-year-old's intelligence puts Franco and his assistant Gustavo Mansilla in charge of the homicide division. By deducing and exploring the three, they solve the most striking cases.

Follows a man as he silently goes through the desperation of a break-up. He aimlessly wanders the streets, meeting the night people of Buenos Aires; loners, thieves, fugitives, homeless, suicides, lovers and the ghost of the lost lover.