When President Franklin Delano Roosevelt's life is threatened, FBI Director Hoover has no choice but to dispatch Agent Harry Bierce, the one man he can trust to stop an assassination. Problem is, Bierce is no ordinary agent. With no verifiable history, Hoover has no way to control him or his methods. Preferring to work alone and wanting no acknowledgement for his part in solving high-profile crimes, Bierce often single-handedly brings criminals to...