George Franklin

In a small town in Wisconsin, a young teenage boy claims he has dreams of young women being brutally raped and murdered. A doctor and the local sheriff discover that the boy's dreams are real and that a sinister cult might be behind the brutal murders. They must track down the vicious killer, who may be the indestructible incarnation of a demon spawned from hell.

A woman that during the daytime is an insignificant librarian, at night becomes a fascinating mysterious dark lady. She uses the personal advertisements on the newspapers to obtain appointments with men then kills them. These murders last until the wife of one victim decides to investigate.