A desperate mother and father attempt to cure their eight-year-old son's brain tumor by enlisting the help of a shamanistic healer; when the ritual results in the child being possessed by an ancient demon, the father must now face his own demons and return to his role as a former priest in order to save his son's soul and to protect humanity from the Evil that he has unleashed.

In an attempt to kick his drug habit, Brian heads to his cabin and calls upon his friend Anna for help. When he gets there, Brain is harassed by the local sherif and haunted by the ghosts in his cabin.