Charlie, forced to reevaluate her all-female mechanic shop, unknowingly confides in her online confidant Beau, who turns out to be her real-life business rival, their connection blossoms amidst professional rivalry.
With the region's last source of freshwater buried under a Native American reservation and evil forces angling for control, a convict fighting for her freedom becomes the unlikely protector of a young boy who may have the power to save it.