Touch of Terror — Patricia Matthews

Investigator Casey Farrel goes undercover to solve a series of murders neara resort town in northern Arizona. Ritual aspects of the crimes suggest cult links. Casey poses as a movie scout to explore the area and meet town residents despite concerns of her detective boyfriend about the operation's dangers. When she infiltrates the cult, she learns that for most members, the group promises self-enlightenment and recreational sex. However, the mysterious, masked leader uses the cult as a cover for more deadly and lucrative purposes. To solve the case Casey must also travel to Los Angeles, overcoming unhappy memories of her past.