Rustlers discover that they shouldn't mess with Sue Mason, who is not your typical woman in 1890s Colorado. Meek and docile, she is not Fiercely independent, an orphaned Sue inherits her father's ranch at only sixteen, and she packs a holstered Colt that she knows how to use. With just Marshal Ted Storm covering her back, Sue will have to do the impossible: destroy the vicious Snake Carson gang.