Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother Bradley Meredith. With his infant daughter, he settles in the African jungle, where his ability to cure the native ills has resulted in his virtual control of the Masamba tribes, who possess vast diamond mines coveted by a gang of crooks.
Reporter Brenda Starr and her photographer Chuck Allen get involved in a search for the loot from a payroll robbery. Cliffhanging action and adventure and a fair amount of comic relief follow them at every turn.
A fabulous jewel known as the 'Dark Star' is stolen; a pastor's daughter gets involved, falling into the depths of a spy plot concerning war plans and fortifications...
The film is about a desert-bound member of the French Foreign Legion who exposes a betrayer to the Legion and is then sent on a mission among the Arabs to conclude the signing of a crucial peace treaty.
Wealthy Irving Randolph is falsely denounced as a deliberate murderer by his greedy younger brother when Randolph, during a rifle shooting contest, accidentally kills a man with whom he has had an altercation. Fleeing to Australia, Randolph becomes known as the bandit Stingaree and is aided in his Robin Hood like adventures by his friend Howie and his sweetheart Ethel.
A reporter and a detective team up to solve the murder of a nightclub singer who had been involved in a divorce scandal.
Famed aviator Bruce Gentry is working with scientist Andrew Benson, setting out to uncover the origin of a deadly secret weapon--an electronically controlled flying disc which can be directed at moving or stationary targets. The disc was master-minded by an enemy agent known only as "The Recorder" because...he speaks entirely via recordings. Aided by rancher Frank Farrell and his sister Juanita "Nita" Hodges, Gentry consistently foils "The Recorders" schemes, which are carried out by "The Recorder's" henchmen, Krendon, Allen and Chandler, including an attack on the Panama Canal.
Millionaire Joshua Barker insists that his daughter, Faith, must marry Phil Langhorne, a man that neither likes, and Faith is in love with and eager to marry her childhood sweetheart, John Temple.
Hajj, a rascally beggar on the periphery of the court of Baghdad, schemes to marry his daughter to royalty and to win the heart of the queen of the castle himself. This film is believed lost.
A newspaperwoman finds trouble aplenty when an Inca tribe believes her to be the reincarnation of their long-lost princess.