So when a US senator asks him to go to Peru, to a remote village in the sacred Valley of the Incas, to find out who killed a young archeologist, Harry is not happy. He is even less happy when the senator shows him a handwritten letter from a mysterious Carl Allen, that says the Supay, the daemons of Ukupacha, the Inca underworld, are rising up to eat the souls of humanity. Harry is a killer, not a gumshoe or a shrink.
But when he arrives in San Julian, high in the Andes, and he meets Dr. Liz Calder, an archeologist obsessed with Inca sacrificial rituals, when he hears the whispers about the dead and the vanished, and the slaves, Harry begins to change his mind. Maybe, just maybe, the greatest crime against humanity is being perpetrated right there, in the shadow of Ukupacha…