Hanna Harris, a 21-year-old young mother living on the Northern Cheyenne Reservation in Montana, went out to celebrate the Fourth of July... but never made it home. In order to find Hanna her family mounted their own search and investigation, shining a light on the epidemic of missing and murdered indigenous women and girls. Five days later Hanna's body was found in a remote field. What happened to Hanna that night at the festivities and who would hurt her?