Nat Cutler, known as Hawkeye, is a fur trader. With his faithful Indian companion Chingachgook, the last of the Mohican tribe, he fights to protect settlers against the raiding Huron Indians.
A prospector is murdered by The Cactus Kid and his gang, who hope to find the murdered man's goldmine. The miner's dog, Rin-Tin-Tin, recognizes the killers, who thereafter seek to use the dog to locate the lost mine. With the help of a government agent and a young girl, Rinty saves the mine and brings the bad guys to justice.
Wagon trains are not making it to Oregon and Jeff Scott has been sent to investigate. Morgan, the representitive of an eastern syndicate, controls the fur trade and does not want the area settled. So he sends his men lead by Bull Bragg to stop the latest wagon train. Scott is quickly on to Bragg and repeatedly captures him only to have him escape before he can reveal whom is responsible for the attacks.
A frontier newspaper editor Kirby battles outlaw Tiger Morris who is causing indian uprisings to drive away settlers so that he will can claim a gold deposit as his own. With the help of General Custer, right wins out. Presented in serial form in 12 episodes.
Larry Munro has discovered a vein of platinum on his ranch. A group known as the Secret Seven has learned about it and plan to get the Munro Ranch. Kentucky Wade and his friends arrive to help Larry and are soon fighting off attempts on their lives by the henchman of the Secret Seven and the Indians they enlist by bribing them with rifles.
The Double R Ranch featured "The King of the Cowboys" Roy, his "Smartest Horse in the Movies" Trigger, "Queen of the West" Dale, her horse Buttermilk, their dog Bullet, and even Pat's jeep, Nellybelle.
A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.