When 16th President of the United States, Abraham Lincoln (Benjamin Walker), was young, his mother is murdered by a vampire. Infuriated, he decides to go vampire slaying. Abe Lincoln is trained by vampire assassin Henry Sturges (Dominic Cooper), and aims to kill the vampires, who plan to take over the country.
As if the young Abraham Lincoln didn't have enough headaches of his own, teaching himself law and running for Congress, Abraham Lincoln: Vampire Hunter gives him another pastime - slaying the undead.
But wait. Why Abraham Lincoln? What intriguing parallels does vampire-hunting have with the real issues Lincoln fought for in his time? What symbolism about the learned American President is this movie pregnant with? What dramatic denouement does Abraham Lincoln bring his vampire-slaying career to?