Newspaper editor Bill Temple arrives in Boom Town planning to expose Jim Blane as a crook. When Blane's henchman Buck fails to kill Temple, Blane prepares to flee with his money. But a sudden announcement of a gold strike empties the town. Blane heads after his henchmen who have taken his money and Temple heads after Blane.

Bob Rogers ('Lloyd Hughes'), a former World War One flying ace, loses his license after crashing an airplane while drunk. He works his way back into the commercial airline service by tracking down the bandits who have been robbing the Air Express.

The two brothers and their adopted daughter of the household grew up from childhood together. The girl and the younger brother were childhood sweethearts. His elder brother was considered the bad man and dead shot of the hills. The younger brother has been living in the valley for a long time and returns home to his family. He is now refined, educated, and, of course, a revelation to the little girl, who, though betrothed to the elder brother, is strongly attracted by him. Hence there is a renewal of childhood affection which the elder brother does not take kindly to.

Problems come in the form of one of Hopalong Cassidy's neighbors, but the matter is settled when Hoppy roots out the troublemaker.

Chet Kasedon is after the Indians hidden gold mine but Chief Moya will not reveal it's location. He has also hired mining engineers Gale and Mortimer to locate the mine. When Gale sees Kasedon's cruelty to Moya, he switches sides.

Tarzan and Jane are traveling to Paris to help his old friend Countess de Coude, who is being threatened by her brother, Nikolas Rokoff. Rokoff has Tarzan tossed overboard. He survives, comes ashore in North Africa, and goes to Paris to search for Jane. In Paris, Tarzan reunites with his old friend Paul D'Arnot, who informs him that Jane was taken to Africa. Tarzan returns just in time to save Jane from a lion attack, and soon defeats Rokoff and his henchmen.

The orphan Dora is courted by two different gold miners.

The Eagle uses sky writing to make threats against a corporation. Nathan Gregory owns a travelling fairground and is thought to be the Eagle. Craig McCoy is a pilot who goes looking for the Eagle when Gregory turns up missing.