"On Independence Day, the citizens of Washington, DC, are celebrating as if there isn't a war. But the city is teeming with green Union recruits while President Lincoln and his War Department are focused on military strategy to take Richmond in Secessionist Virginia in order to bring the conflict to a swift end. Manassas, Virginia, near Bull Run Creek, is in their sights. The very next morning, as Congress convenes once more, a dead body is found...

At the inaugural ball, Lincoln's trusted entourage is on their guard. Allan Pinkerton, head of the president's security team, is wary of potential assassins. And Lincoln's oldest friend, Joshua Speed, is by his side, along with Speed's nephew, Adam Quinn--called back from the Kansas frontier to serve as the president's assistant and jack-of-all-trades.