Sayen follows a lead to the picturesque desolation of the Atacama Desert. There, she reluctantly teams up with a young Atacameño girl, Quimal, looking to clear her father’s name and save her town from becoming an arid wasteland due to Acteon’s exploitative water usage.
Sayen is hunting down the men who murdered her grandmother. Using her training and knowledge of nature, she is able to turn the tables on them, learning of a conspiracy from a corporation that threatens her people's ancestral lands.