Based on the 2009 Dan Brown novel of the same name, The Lost Symbol is the story of a young Robert Langdon (Ashley Zukerman) being tasked by the CIA to solve a number of puzzles when his men... Read allBased on the 2009 Dan Brown novel of the same name, The Lost Symbol is the story of a young Robert Langdon (Ashley Zukerman) being tasked by the CIA to solve a number of puzzles when his mentor (Eddie Izzard) is taken.Based on the 2009 Dan Brown novel of the same name, The Lost Symbol is the story of a young Robert Langdon (Ashley Zukerman) being tasked by the CIA to solve a number of puzzles when his mentor (Eddie Izzard) is taken.