There's nothing Detective Inspector Charlie Priest hates more than a case involving children. When Georgina, the eight-year-old daughter of a local businessman, goes missing, Charlie and his colleagues soon start to fear the worst. And there's something about the distraught father that doesn't add up. Life is further complicated when it seems a killer is targeting clergymen. The murderer's unusual calling card is Charlie's only clue... Who is the Mushroom Man?