The other characters depicted in the novel include Abraham Lincoln, Henry Irving, Bram Stoker, Virginia Dare, Arthur Conan Doyle, Jack the Ripper, Nikola Tesla, Grigori Rasputin, and Alexei Nikolaevich, Tsarevich of Russia.

Lincoln is horrified at becoming a vampire, as it turns him into the exact thing he has been fighting all his life, jumps out the window and burns himself to death.

Henry is summoned to New York City, the Union's headquarters, by their leader Adam Plantagenet, a highly respected older vampire, alive since 1305.

His travels and adventures bring him across the world where he helps Arthur Conan Doyle and stops Jack the Ripper.

He is also put into action as a United States Government agent, and becomes a highly decorated veteran of both World Wars.