In this follow up to "National Treasure," treasure hunter Ben Gates once again sets out on a new global quest to unearth hidden history and treasures. When a missing page from the diary of John Wilkes Booth suddenly surfaces, it implicates Ben's great-great grandfather as a key conspirator in Abraham Lincoln's assassination. Determined to prove his ancestor's innocence, Ben follows an international chain of clues that takes him on a chase from Paris to London and ultimately back to America. This journey leads Ben and his crew not only to surprising revelations--but to the trail of the world's most treasured secrets.