Fiction based on a true story of Brazilian workers and people living near a pesticide plant, first owned by Shell and then by BASF, that suffered cancers and other severe health problems as a result of land and groundwater contamination around the plant and their fight for justice.

Trinchas and his gang of graffiti taggers risk their lives climbing tall buildings to sign their names up there. When he falls for Valéria - an art graduate student -, they shake the international art scene.