Gustavo travels to the desert of Wirikuta in search of native species for his research. During his journey into the desert a series of strange events haunt him until one night he is assaulted, losing all of his belongings. The will to survive forces him to start the trek across the desert. It seems all is lost until Ana, his dead wife, appears. With the help of an old Huichol, Gustavo will confront his past and present life.