As a former outlaw turned wagon train guide, Stewart is pitted against warring Indians, murderous hijackers and a traitorous ally as he attempts to lead a group of settlers through the treacherous Oregon wilderness.

After suffering a family tragedy, Mack Phillips spirals into a deep depression causing him to question his innermost beliefs. Facing a crisis of faith, he receives a mysterious letter urging him to an abandoned shack deep in the Oregon wilderness.