The indigenous women going missing without a trace in the wilderness of the United States. As reporter Ayshah Tull discovers, often confusion over jurisdictions between federal, state and tribal authorities can mean that many police investigations become cold cases that are never solved. She follows the enquiries of an indigenous woman-turned-private investigator, known as a Sahnish Scout, who introduces her to a murky world of homelessness, drug addiction and alleged domestic violence in a community where indigenous women are thought to be murdered at a rate 10 times higher than the national average.