In a remote camp in the Carlota mountains, a renowned paleontologist, guards the most important finding of her scientific career: the fossil remains of a hippogriff, a mythical animal half bird half lion of which there is no certainty of its existence. The arrival of Constanza, a biologist sent to supervise the works of Carlota, and Freddy, an old rival with dark intentions, force Carlota to face a powerful enemy that threatens to destroy the territory and its natural resources.

The disappearance of dozens of teenage girls shakes Alto Hospicio community in northern Chile. The official version speaks of runaways from broken homes and an underworld of traffic, but the case hides a horror perhaps even worse: A murderer that remains unpunished unable to stop his impulses.