The doc was shot in the heat of an epic David-versus-Goliath struggle in the northern Mexican state of Sonora that pitted local Yaqui Indians against a large-scale aqueduct project that would divert what was left of their sacred Yaqui river into the state capital of Hermosillo. Several years in the making, the conflict was seemingly resolved in early 2013 when the Mexican Supreme Court stipulated that the aqueduct’s construction respect the Yaqui People’s rights, but tensions once again came to a head late last year when one of the tribe’s leaders was arrested.