Alfredo Marino

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 vagabond violinist, a shameless doctor, gunmen and an impossible affair.

Tuberculosis and a passional crime prevent the final triumph to a boy from the slums who has opened his way in boxing.

A music teacher and a police officer look after a children's club.