In 1970, the Esquadrão da Morte (Death Squad)' crimes for the refinement of violence provoked a wave of reactions throughout the country. The photos of the victims, adorned by the skull, symbol of the group, caused an uncomfortable indignation. This is the story of Mateus Romeiro, the most famous of the policemen, who was part of the Homens de Aço (Steelmen) group, one of the factions in which the squadron was divided.