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. When Cash sees the hymn, she knows her search for justice for this anonymous victim will lead her somewhere she hasn't been in over a decade: the White Earth Reservation, a place she once called home. When Cash happens upon two small graves in the yard of a rural, "speak-intongues kinda church," she is pulled into the lives of the pastor and his wife while yet another Native woman turns up dead and her newborn is nowhere to be found.