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National Treasure (film) Ian returns the Declaration and asks for the next clue, but when Ben remains coy, Ian reveals he has kidnapped Patrick as a hostage. They go inside Trinity Church where they sit and study the back of the Declaration of Independence using the different lenses resulting in the discovery of an underground passage known as Parkington Lane but it appears to lead to a dead end lit by a lone lantern. Patrick claims it is referencing the Midnight Ride of Paul Revere, pointing Ian to the Old North Church in Boston. Ian leaves Gates trapped in the chamber to die, heading for Boston. Patrick reveals the clue was a fake, then enters the treasure room using the clues they gathered on their journey, but it seems looted. After a heart to heart between Ben and Patrick, they find a notch which the meerschaum pipe fits into, opening a large chamber containing the treasure, then escape through a back exit. Ben contacts Sadusky, who is actually a Freemason, surrendering the Declaration and the treasure's location in exchange for clemency. Ian is later arrested when Ben tips the FBI off.