Annie Oakley's hunt for her brother leads deep into the untamed wilderness, where an aging Ojibwe storyteller reveals the tragic origin of the monstrous Blackthorn and the terrible choice that transformed a man into a legend. As Annie races to stop Blackthorn from reaching a hidden valley said to be the birthplace of the Beast, Henry is forced to confront two competing visions of his future. With time running out, Annie gambles everything on a desperate plan that unleashes the fury of the American frontier itself. But when the dust settles, saving her brother may prove harder than defeating the monsters pursuing him. The hunt becomes a battle for Henry's soul in the penultimate chapter of this supernatural Western.