When a vacationing couple in Tangiers runs into an old friend there, they discover that he is searching for his missing girlfriend who has been kidnapped by an international gang of white slavers.

Jake Speed (Wayne Crawford) is the lead character in some of the biggest page-turners of the 1940s. A chiseled, heroic action figure, Speed saves lives on paper, but when a young girl is kidnapped and her sister (Karen Kopins) begs the real-life Speed for help, he must find a way to be as gallant as the book hero whose creation he's inspired. Accompanied by the victim's sibling, Speed flies to Africa to see if he's up to the task.

The film addresses issues of racism in the Jim Crow American South. Themes of racial injustice, racial violence, working-class solidarity dominate the film. It depicts black men working in a field, walking in chains, sitting behind bars, and being executed in an electric chair. In most scenes, a white authority figure is seen whipping or guarding the men.

Ralph Ince stars as Brute Shane, a South Pacific trader who has adopted native girl Saina (Olive Broden). When Shane rescues English lass Nona Deering (Claire Adams) from white slavers, the jealous Saina begins plotting Nona's demise.