After the American Civil War, many freed slaves head out West in search of free land and a better life. Former slave and Union Army sergeant Buck becomes a self-employed wagon master to wagon trains of freed slaves heading West. Buck knows the region well and he charges fair wages from the wagon trains employing him. He also has a working relationship with the local Indian tribes that charge trespassing fees from the wagon trains heading West across Indian lands. In return, they allow the settlers to move across Indian territory unhindered and to hunt a few buffalo needed to feed the wagon train settlers. However, not everyone in the region is friendly toward the black settlers traveling West. Owners of Southern plantations, dismayed by the loss of slave manpower that previously worked the plantations for free, hire band of white rogues and outlaws to prevent former black slaves from going West. In order to achieve this aim, the hired bands of rogues attack wagon trains and destroy …
