A rare heirloom passed down within the Ojibwe tribe is confirmed as one of the oldest American flags in history and worth millions. When the flag's keeper dies without naming an heir, a vicious inheritance war breaks out. With family ties, tribal welfare and American history on the line, how far will they go to capture the flag? Watch 'Who Do You Believe' TUESDAYS 10/9c on ABC and Stream on Hulu.