At the start of the Civil War, the Union sends actresses Gail Loveless and Pauline Cushman to infiltrate the Confederacy. Disguised as her black servant, Gail helps Pauline gather intelligence about Capt. Jack Gailliard. But when Pauline is imprisoned under suspicion of espionage, it's up to Gail to complete her mission. Refashioned as a Southern belle, Gail is able to get close to Gailliard -- but finds herself falling in love.