When Deputy Dell discovers a young Lakota woman bent on suicide, she intervenes and uncovers evidence linking the desperate act with human traffickers menacing vulnerable girls across the state. A brush with traffickers in a former life has left her with an obsessive need to squash these vermin. Colleagues jump to help. Support springs also from a cryptic tribal network that supplies her with critical information. As Dell pursues the quarry, she bumps up against an old nemesis whose livelihood is now being threatened. He schemes to eliminate the threat in a most unpleasant manner.