"Pureza" tells a story of a mother, Pureza, who goes in search of her son, Abel, disappeared after leaving for the mining in the Amazon.

Thirteen-year-old Marcielle lives on Marajó Island in the heart of the Amazon rainforest. To break a terrible cycle that imprisons the women around her in an isolated region, she must do the impossible to liberate herself and her younger sister from a dark abyss of silence held by her own family.