National Treasure: Book of Secrets (2007)

During a lecture about John Wilkes Booth and Thomas Gates, Ben Gates and his father Patrick are surprised by Mitch Wilkinson. He claims that their ancestor was a conspirator in the assassination of Abraham Lincoln based on the missing page of Booth's diary that he possesses. The outraged Ben decides to prove the honor of his ancestor. Together with his wife, Abigail, and his best friend, the writer Riley Poole, they head to France, England and Washington to collect clues. But Mitch Wilkinson is secretly following their every move.