Experimenting in hypnotic regression to past lives, Dr. Edmund Redding (Ramón Gay) the Cowan Institute in Pasadena has discovered that Ann Taylor (Rosita Arenas) a reincarnated Aztec woman. Via her recovered memories, she is able to lead Redding and his associates to a hidden chamber in the Great Pyramid of Yucatan, where they hope to find the lost treasure of the Aztecs