John Jakes, the acclaimed author of the #1 New York Times bestselling North and South Trilogy, returns to the Civil War with On Secret Service--the story of two couples, divided by war and allegiance, who discover that love doesn't take sides. A Rebel sympathizer's affection for a former Pinkerton detective turned Union agent cannot save him from the horrors of a Richmond prison. A Confederate officer sacrifices his rank to save an actress taken captive while posing as a Union soldier. Overshadowing them all is an actor's outspoken hatred of Abraham Lincoln--and a date with destiny that would shock a nation and change the course of history...