"Parnahyba Indígena" is a documentary that explores the influence of indigenous culture on the history and identity of Parnaíba, on the coast of Piauí (Brasil). The film, directed by Chico Rasta, highlights the protagonism of the native peoples, focusing on important people such as Mandu Ladino and Pedro Militão, and the cultural heritage of the Tremembé people, who traditionally inhabited the region.