A Revolutionary War-era secret sends three soldiers on an epic quest across 1940s Europe to recover a piece of American history.Philadelphia, 1776: George Washington asks Betsy Ross to design the first flag of the future United States of America. Her housemaid, Angela Brown, adds to it a secret tribute to the black community: a black cotton star that she slips under one of the white ones. Dover, 1944: A soldier named Lincoln receives a letter from his sister back home that r