The Plot of The Lost Symbol

The Capitol Building, where the book's opening action take place

     Ever since I saw the movie "National treasure" the idea of the Freemasons and secret societies in American history always fascinated me. This book has all of that. The book follows Robert Langdon, who has been asked to deliver a speech at the Capitol Building in the place of his friend Peter Soloman, a scientist and high-ranking Freemason. When he arrives in DC, he finds that there was no speech, and that Soloman was kidnapped. Meanwhile, we learn the story of Mal'ahk, a Turkish man who kidnaps Peter and plans to get him to spill the location of the Freemason's long lost treasures. He will do anything, including murder, to achieve his goal. Meanwhile, Peter's sister, Katherine, has just escaped being kidnapped by Mal'ahk, and after getting a phone call Langdon, meets up with him. While all of this is going in, Langdon has uncovered a small pyramid, which is soo  revealed to be a... well, I guess I can't spoil it for