Fear has shrouded Cimarron as thick as the eerie fog that has descended without warning. When a series of brutal knife slayings of Cimarron City dance hall girls takes place, Marshal Jim Crown looks at almost everyone as a suspect. Was it the gambler, the knife salesman, the doctor, the traveller or the cowboy? Suggesting that the pattern of murders is similar to that of the Jack The Ripper slayings in England, Crown must devise a plan to cut through the fog and find the killer before he claims his next victim.
