The climatic battle of the war. Moses’ brother Cato, a soldier on the British side, is sent into harm’s way by Cornwallis and is aided by a sympathetic Hessian soldier. After a long siege, Cornwallis surrenders. It’s a huge victory for the Americans, but Washington is not yet convinced the war is over (10/19/81). Moses joins the American mining corps and tries unsuccessfully to find Cato. Sarah, James and Henri witness the siege and victory at Yorktown.