With their Navajo hosts, Jack must face many new mysteries and supernatural encounters, from vampires to skinwalkersto aliens. Ashlynn believes they first came to Earth through a powerful portal many centuries ago searching for Earth's resources. But why have they returned? What connection do Ashlynn and the Native Americans have to these interstellar voyagers? Is this a prelude to an alien invasion?
It's up to Jack and his companions to discover the truth. But can they put the pieces of this dangerous puzzle together in time to save the world?