A magical serial killer is stalking the Occult town of Wrackton. Hypnotic whistling causes victims to chew their own tongues off, leading to the killer being dubbed the Whistler original, right. They are hired to investigate the murders, but with their only case so far left unsolved, will they be up to the taskMallory, the forensic science expert, is struggling with pain and fatigue from her recently diagnosed fibromyalgia.