Joe, who owns a gas station along with his brothers and is about to marry Katherine, travels to the small town where she lives to visit her, but is wrongly mistaken for a wanted kidnapper and arrested.
Tarzan's son Jack is kidnapped from England by his old enemy Paulovich. Jack escapes into the African jungle where he meets Meriem, a European girl held captive. Freeing her, he falls in love but she's sought by Paulovich. Then Tarzan arrives with Jane to save the day!
An inventor adds new innovations to an air company's planes, prompting the owners of a rival company to set out to steal them. The stakes are sky-high as an airman and an aviatrix find themselves in constant peril, both on earth and above the clouds.
