The skin on which human life is written! Marcella is doomed to suffer from birth. Her wealth-obsessed brother Minguillo will stop at nothing to become the sole heir. He pursues the girl and one day decides... to shoot her. The young doctor Santo, unable to take his eyes off her radiating purity of skin, falls in love with Marcella. One of his tender glances in her direction was enough for Minguillo to hide his sister in a remote monastery, and to completely surrender himself to his monstrous passion - collecting books made of human skin... I heard rumors about a book bound in human skin that survived a shipwreck in Arica. It was said to be made from the skin of Tupac Amaru II, the last leader of the Inca rebels. He was executed and quartered twenty-five years ago...