A supermodel gets murdered. While investigating the case the story of a waitress turned glamor girl is revealed.
Research chemist Barnaby Fulton works on a fountain of youth pill for a chemical company. One of the labs chimps gets loose in the laboratory and mixes chemicals, but then pours the mix into the water cooler. When trying one of his own samples, washed down with water from the cooler, Fulton begins to act just like a twenty-year-old and believes his potion is working. Soon his wife and boss are also behaving like children.
Two hoodlum brothers are brought into a hospital for gunshot wounds, and when one of them dies the other accuses their black doctor of murder.
The story involves a rather odd flashback by Dale who is visiting El Dorado, home of her grandmother. She dreams about her grandmother's adventures including a romance with a cowboy who looks very much like Roy. Roy, of course, also exists in the present for Dale.
A werewolf prowls around at night but only kills certain members of one family. It seems like just a coincidence, but the investigating Inspector soon finds out that this tradition has gone on for generations and tries to find a link between the werewolf and the family, leading to a frightening conclusion.