A dramatic tale of spying and espionage, On Secret Service chronicles the Civil War from its onset to Lincoln's assassination. Jakes follows the romance of two couples, divided by war and allegiance. Lon Price is a Pinkerton detective assigned to the railroad out of Chicago. Lon ends up helping in the Union war effort when Pinkerton pledges his company and his men to General McClellan, the early Union hero. Lon falls in love with Margaret Miller,...