Bronco tries to convince a city cousin that her interest in a dashing gunman is a bad idea.

Bronco leads a troop of mutinous soldiers into Indian territory to find a deserter, the father of the troop's ruthless lieutenant.

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.