Minnesota, 1970s: A snowmelt has sent floodwaters down to the fields of the Red River Valley, dragging the body of an unidentified Native woman into the town of Ada. The only evidence the medical examiner recovers is a torn piece of paper inside her bra: a hymn written in English and Ojibwe. Cash Blackbear, a 19-year-old, tough-as-nails Ojibwe woman, sometimes uses her special abilities to help Sheriff Wheaton, her guardian, with his investigations....