John Whyte, disgraced son of an English Lord, has quit the British Army and cometo America to join the Union cause. He is assigned to command of the 5thMichigan Cavalry under his former assistant, now Brigadier General GeorgeCuster. Whyte follows the dashing Custer into battle against the Confederatecavalry of JEB Stuart at Gettysburg, into the 1864 Valley Campaign, and iscaptured at the Battle of Cedar Creek. Incarcerated in the infamous Libby Prisonin Richmond, VA, Whyte is under a death sentence for his actions in breaking theRose Greenhow spy ring. If Custer's Cavalier is to survive the ordeal, it willtake all his courage and cunning.