An Indigenous family encounters a life changing celestial phenomenon while struggling for survival in the 1800s Southwest.

Under the Crystal Sky follows an Indigenous family grappling with the aftermath of witnessing a celestial phenomenon and a UFO crash near their home. Their lives unravel as fear mounts, mysterious events unfold, and a violent conflict with American military forces looms. Inspired by the historical 1561 celestial phenomenon over Nuremberg, the film re-imagines history through the lens of Indigenous culture and speculative sci-fi.