Coming soon to the big screen: The Da Vinci Code open May 19! The murder of a curator at the Louvre reveals a sinister plot to uncover a secret that has been protected since the days of Christ. Only the victim's granddaughter and Robert Langdon, a famed symbologist, can untangle the clues he left behind. The duo become both suspects and detectives searching for not only the murderer but also the stunning secret of the ages he was charged to protect.

Was Dan Brown right when he wrote that the Holy Grail does not appear in Da Vinci's painting of The Last Supper? No, says GrouchoGandhi. And he aims to prove it. Read more about the Ggreat Ggrail Hunt sponsored by GrouchoGandhi.com.

Watch Tom Hanks in the exclusive trailer for The Da Vinci Code, based on the best-selling novel by Dan Brown.

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