The secret agent Claus van Dongen is sent to Cape Town to end the activities of the criminal organization Yellow Viper.

After his top client, popular singer Rex Maynard, runs away to South Africa with his daughter, powerful producer Arnold Tiller stages Maynard's fake kidnapping out of revenge. Maynard escapes only to be pursued by real kidnappers.

The German Tourist Frank Fleischer gets into drugs and spy story.

Two soldiers of fortune are hired by an inventor to protect him and his invention, a radar-like machine that is capable of controlling armies and forcing them to fight.