The Horse Soldiers

Adventure drama based on an actual incident in the American Civil War. General Grant, the leader of the Union forces, orders a colonel and an army surgeon to lead a small cavalry unit 300 miles into Confederate territory to sabotage a strategically critical railway supply line - the surgeon causes instant antipathy between himself and the commander, and the unit is forced to take a Southern belle with them when the secret plan for the mission is overheard by her and her silence is not assured.