Rocky Shahan

Coates is cast as a devout Mormon girl whose mission is to transport smallpox vaccine to her friends and neighbors. Unfortunately, this requires her to journey through hostile Indian territory. Appointing themselves as the girl's unofficial protectors are Indian scout Scott Brady, trapper Don Haggerty and (reluctantly) gambler Paul Richards. (allrovi.com)

Cowhand Jeff Donner meets Susan Crowley, a spy for the Union in the Civil War, and gets dragged into her espionage ring that is out to foil the South's attempts to break the blockade keeping them from obtaining food and supplies. The trek leads to Mexico.