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...

6 Friends, 1 Killer, No Mercy! Slow moving thriller that builds up towards a nerve wrecking end.

A detective agency gives a complex smuggling case to the seemingly absent-minded PI Boetie Flenters - never thinking he will solve it. Monica Terblanche (alias Hester Smith) is blackmailed to smuggle diamonds by Da Silva (aka Hennie Gous) and his accomplice. In return, she will receive the negative of an incriminating photo of her father. The investigation takes Boetie to the village of Geenfontein. When he bungles things he is fired and takes jobs as a bus conductor, hospital porter, lifeguard, lounge singer and plumber. Then he meets Hester, who explains her predicament, and they decide to work together.