After learning that one of his parents' killers was never brought to justice, Walker finds a witness and goes undercover to locate the culprit.
Chief Six Feathers' funeral turns out to be more than just a reunion for Walker and a childhood friend, when the chief's son confides that his father's death was not an accident.
When two cattle ranchers plot to kill a herd of federally protected wild Mustangs that are grazing on their property, Walker goes to arrest them but is left for dead after losing a confrontation with the men.
Walker valiantly tries to save a baby trapped in a car dangling from a bridge railing, but when the railing gives way, both the car and Walker plummet into the river below.