Bronco intervenes when a range war between cattlemen and sheepmen threatens to become a slaughter due to the Quaker sheepman's refusal to use guns.

Bronco accompanies a corpse to Denver and is accused when $100,000 is stolen from the railcar.

Bronco fakes his own death, and assumes the identity of a colonist, in order to hunt down the outlaws who framed him for murder.

Bronco finds himself on the gallows after he stumbles across an elaborate scheme to protect wanted fugitives from the law.

Leading a group of bitter Confederate POWs west to fulfill their pledge to help the Union fight the Indians, Bronco is also in charge of a gold delivery headed to Mexico and a secret assignment from the murdered president Abraham Lincoln.