Tom Hanks reprises his role as Harvard religious expert Robert Langdon, who once again finds that forces with ancient roots are willing to stop at nothing, even murder, to advance their goals. Ron Howard again directs the film, which is produced by Brian Grazer, Ron Howard, and John Calley. The screenplay is by Akiva Goldsman and David Koepp. When Langdon discovers evidence of the resurgence of an ancient secret brotherhood known as the Illuminati - the most powerful underground organization in history - he also faces a deadly threat to the existence of the secret organizations most despised enemy: the Catholic Church.