It is six years after Unification and Sicily is in chaos. Bandits rule the hills. Waves of cholera kill thousands. The Mafia begins its vicious reign of organized terror, raping a population squeezed by conscription, crippling taxes, and corrupt officials. At a high-class house near Palermo, three prostitutes have been knifed to death, their foreheads slashed with a strange mark, their bodies dumped on the madam's doorstep. When the chief inspector...