In typical Dan Brown style, the book is fast paced with conspiracy theories. He discusses Noetic Science and its implications. One of his characters, Katherine Solomon, is a scientist in this field with research on human thought affecting the physical world around us.
The book starts with Peter Solomon, a Freemason and friend, being kidnapped. The protagonist, Robert Langdon, is faced with symbols and puzzles that he needs to solve. The story progresses with a lot of twists and turns. While some of the things turn out anti-climatic, others have unexpected twists. Either way it keeps you glued to the book.
This time he is accompanied by Inoue Sato to stop Mal'akh, the antagonist, from doing harm.