Scanlon is pulling off a land swindle by selling lots in a ghost town claiming the power company is bringing in a line. As a bonus he throws in shares in a worthless gold mine. Gene is on to Scanlon and tries to get him to buy back the deeds by salting the mine with gold. But when a new vein is really discovered Gene has to stop the sales but is trapped in the mine by Scanlon's men.

Homesteaders are moving into the valley settled many years ago by rancher Craig Dolan. He wants to keep them out by legal means but his nephew Bart brings in outlaws to drive them out. The Lone Ranger is on hand to help the homesteaders battle Bart's men as he overcomes traps, ambushes, burning buildings and other obstacles in his attempt to bring peace to the valley.

In flashback, fifty years after inventing the light bulb, an 82-year-old Edison tells his story starting at age twenty-two with his arrival in New York. He's on his way with the invention of an early form of the stock market ticker.

Eddie Kerns sells his song to a Broadway producer and also lands a job dancing in the musical. He sends for his dance partner-fiancée Molly Mahoney who brings her younger sister Pat. Upon seeing Molly and Pat dance, the producer picks Pat for the show and gives Molly a job selling cigarettes. A wealthy friend of the producer named "Chat" Chatsworth also has his eye on Pat. Pat is teamed with Eddie in the specialty number as Kerns and Mahoney. Pat and Eddie soon realize that they are in love and must tell Molly. Pat balks at hurting Molly and goes out with Chat who already has five ex-wives. Remake of The Broadway Melody (1929).

A super-efficient secretary at a department store falls for and marries her boss, but finds out that taking care of him at home (and especially his spoiled-brat daughter) is a lot different than taking care of him at work.