Stream The Vanishing Frontier Online Free – Watch Full Movie from Home at 123Movies. . Its 1850 and California is under ruthless military rule. Kirby Tornell's rancho has been taken over by soldiers and when two of Kirby's men are captured, he goes there to free them. He meets the General's daughter there and attracted to her, repeatedly returns to see her. Eventually he is captured and now his men must try and rescue him.