Set in the mid-19th century at the height of the American Civil War, four women from drastically different walks of life unite to change the course of history. A Virginia socialite, her mother, a prominent local courtesan, and Mary Bowser—a former slave with a photographic memory—join forces to establish a daring espionage ring right inside the Confederate headquarters.
Utilizing the secret routes of the Underground Railroad, they smuggle critical intelligence to the Union Army\'s commander, General Ulysses S. Grant. Their perilous mission: to operate deep behind enemy lines, gather top-secret information undetected, and risk everything to protect democracy in this gripping historical spy drama.