A girl is possessed by a spirit that only has control over her when she is asleep. Enemies of the spirit discover who the girl is possessed by and capture her. Allies of the spirit, including hunters and angels, help the girl escape. The enemies, who are demons, then hunt for both the spirit and the girl, while the allies help protect them. The document outlines the basic plot and themes of a proposed novel about hunters of the supernatural, involving the possession of a girl by either an angel or demon spirit.