Head of company security| Harry Webb| fears that a diamond theft is about to take place at their major mining complex deep in the desert. He quickly manages to become very unpopular| particularly with Claire Chambers| a celebrated cover girl| daughter of the mine administrator. She is visiting the man she loves| Mike Bradley| who is responsible for security at the mine. Nelson| the mine administrator| gives Bradley a curious mission – to steal a diamond. He wants to implicate Bradley in order to bring him into contact with a certain Lewis who is preparing to rob the mine with the aid of a group of mercanaries and a local accessory known as Father Christmas. Webb| not being informed of the deceit| relentlessly pursues Bradley| who is contacted by Lewis. With the mercanaries in the process of penetrating the mine. Bradley reveals himself to be Father Christmas| the organiser of the entire operation. With Webb in pursuit| Bradley flees into the desert with the only other survivors – …