Lucy Worsley opens a three-part series on American mythmaking by taking apart the story of the Revolution itself, the tale of ordinary colonists with high ideals standing up to the might of the British Empire. She travels to the sites where the founding legend was built, weighing the David-and-Goliath narrative against the messier record of who actually fought, who profited, and who got left out of the story afterward. The film moves between archives, historic locations and interviews with historians who question how much of the accepted account is documented fact versus later invention by politicians, writers and campaigners who needed a usable past. Worsley's own presence as a British historian looking at America's founding story from the outside gives the episode its edge, turning familiar Revolutionary War imagery into a case study of how nations construct origin stories. It ends less concerned with refighting the war than with asking why the myth still matters.