Under the watchful gaze of the Andes, a brother and sister, bound by blood and desire, succumb to their darkest fantasies. She, a temptress in traditional Peruvian garb, entices him with secret glances and whispered words, her innocence belied by her wicked intentions. He, a man torn between duty and lust, gives in to her charms, their bodies entwined in the dim light of their ancestral home. Their lovemaking is intense, animalistic, a dance as old as the mountains themselves.