Osvaldo Sanders

At age 13, a street kid known as "El Polaquito" makes his living mostly by singing tangos on Buenos Aires commuter trains. He falls in love with a 16 year old prostitute, also working for the Mafia controlling child exploitation in one of Argentina's busiest train stations. He tries to rescue her from this cruel life with no future. But to do so, he must confront the ruthless adult gang leaders, as well as the young kids who protect them, believing that this Mafia is truly their only option.

It tells the story of three young people who meet by chance when they go out in search of a mutual friend who has disappeared.

A 20 years old girl travels to Buenos Aires in search of a new life and adventures.

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.