In the New Mexico badlands, the skeleton of a woman is found and the case is assigned to FBI Agent Corrie Swanson. Agent Swanson brings in archaeologist Nora Kelly to investigate. When a second body is found the two realize the case runs deeper than they imagined. As Corrie and Nora pursue their investigation into remote canyons, haunted ruins, and long-lost rituals, they find themselves confronting a dark power.