A serial killer is preying on beautiful female real estate agents who show pricey Los Angeles homes, and radio psychologist David Kelley (Joseph Bottoms) believes that one of his callers is the psychopath. Can he deduce the killer’s identity before he strikes again? David's girlfriend, Lisa Grant (Adrienne Barbeau), is a prosperous realtor, and when she discovers that the murderer is using her listings to find victims, Lisa's life is endangered.