Strange halos of light are appearing in the night sky above Baboquivari, sacred mountain of the Tohono O'odham. Eerie sounds of weeping echo through the dark canyons. Two reservation men are fiercely attacked by spirits of the dead near the Mexican border Frightened residents confront village elders for answers to the mystery. Danny Rivas's grandfather, Joseph, knows their tribal way of life has been ignored for too long. They must move quickly before utter chaos engulfs the reservation Danny, the coyote-meeter, and his friend Diego devise a plan to offer the sacred medicine pouch of Chief Gray Horse to appease the powerful spirits and save their people. Badly injured in the process, they are trapped in a mine with a nest of rattlesnakes and a family of wolf spiders Will they be rescued in time?