Traficantes do Crime (1958)

Police tries to arrest drug dealers, with the help of a reporter and the fiancée of a policeman who'd been killed. Solange is the young woman who, after her policeman fiancé got killed by drug dealers, is willing to help the Police find the well organized gang. Maurício, a reporter working at a newspaper called "O Dia" joins Solange and together they try to infiltrate the gang's headquarters. Paulo is the head of the gang, and is helped by Olavo, a man who tries to introduce drugs to people, to get them hooked. And Hugo is the Head of the Narcotics Department, a friend of Maurício's, and is in charge of the investigation.