The documentary begins with the 2012 discovery of silent registers of members of the GRIN (Rural Indigenous Guard) parading in uniform in 1970. It proceeds as an investigation into this all-indigenous militia group, founded and trained by Brazil's most recent military dictatorship, whose ranks were never formally dissolved. From study of archival material and present-day meetings with former GRIN members and their families unfolds a bifurcated reflection on the legacy of the dictatorship and the place of indigenous people in Brazilian society, one in which past and present hold equal weight.