People in Arizona Territory are starting to notice strange things going on around them and even within the fabric of their own lives. The territorial hospital in Phoenix is overwhelmed with patients all exhibiting the same puzzling symptoms: they experience terrifying dreams of monstrous pursuit, when awake they sense that the threats they have dreamed are real and most puzzling of all they feel a total inability to prevent these fearful things from occurring. Meanwhile, Matthew Sandstrom is drawn back into the fray. He once again calls upon his cohorts, Mose Broadax, Little Bear, Bird Who...