National Treasure: Book of Secrets

National Treasure Book of Secrets released on home video as National TreasureBook of Secrets is a 2007 mystery adventure film directed by Jon Turteltaub and produced by Jerry Bruckheimer. It is a sequel to the 2004 film National Treasure and is the second part of the National Treasure franchise. The film stars Nicolas Cage, Diane Kruger, Justin Bartha, Jon Voight, Harvey Keitel, Ed Harris, Bruce Greenwood, and Helen Mirren.

Five days after the end of the Civil War, John Wilkes Booth and Michael OLaughlen, both members of the Knights of the Golden Circle KGC, enter a tavern and approach Thomas Gates to decode a message. Thomas recognizes the message as using the Playfair cipher and begins to translate it. While he does so, Booth leaves for Fords Theatre to assassinate President Abraham Lincoln. Thomas solves the puzzle and realizes the men are still loyal to the Confederacy. A fight breaks out, and Thomas rips several pages from the diary and throws them in the fireplace. Thomas is shot, and the gunman retrieves only a page fragment.Over 140 years later, Ben Gates is telling his greatgreatgrandfathers story at a Civilian Heroes conference. Black market dealer Mitch Wilkinson shows one of themissing pages of John Wilkes Booths diary, with Thomas Gates name on it, convincing everyone that Thomas was not only a conspirator, but the grand architect of the Lincoln assassination. Ben sets out to prove the innocence of Thomas. ........

Source: Wikipedia