A wealthy man asks Fujita to acquire a prehistoric rock painting for a new restaurant. Fujita travels to the Sahara with Ramos but he finds that his local Tuareg guide, Iksa, was murdered. However, Iksa's widow Assarama and Iksa's uncle Mohammad agree to guide them and they head for the Tassili n'Ajjer mountain range. Near the mountains, Assarama and Muhammad pull guns on Fujita and Ramos...