Potato Fritz and his friends have moved from Germany to the American Wild West, settling eventually in the Rockies. They are besieged by what appear to them to be hostile Native Americans. Before too long, it becomes clear that the hostiles are in fact a gang of gold thieves. This movie is notable among German-made Westerns for its use of authentic period costumes and firearms.

Inspector Rizzo in Napoli gets a message from a policeman from South Africa who wants to meet him. Immediately before this meeting the South African policeman is killed. Dying he shows Rizzo a picture of his young son Bodo. Rizzo travels to Johannesburg to find out what the policeman was working on and to find Bodo.

Expert conman Joe Thanks teams up with half-breed Bill and naive Lucy to steal $300,000 from the Indian-hating Major Cabot. Their elaborate plan is full of disguises, double-crosses, and chases, but Joe always seems to know what he's doing.