Traitor Dency Wright overhears her Uncle Samuel talking to a British spy. She learns that British soldiers are secretly marching toward Pepperell. They are on their way to ambush the minutemen gathering at Lexington. Her father, brother, and the men of Pepperell are those minutemen. With no time to waste, Dency rides through the night, rallying the townspeople to come and fight. "The British are coming We must stop the enemy a Jewett's Bridge " At dawn, the women, children and old men of Pepperell are ready to fight, but Dency knows they are no match for a trained militia. It is up to her to find a way to stop the British soldiers, protect the people of Pepperell, and warn the minutemen at Lexington.