While Benjamin Gates (Nicolas Cage) is presenting new information about John Wilkes Booth and the eighteen pages missing from Booth's diary, a man by the name of Mitch Wilkinson (Ed Harris) stands up and presents a missing page of John Wilkes Booth's diary. Thomas Gates, Ben's great-grandfather, is mentioned on the page. It shows that Ben's great-grandfather was a co-conspirator in Abraham Lincoln's murder. When doing more research, the conspiracy takes Ben, Abigail Chase (Diane Kruger), and Riley Poole (Justin Bartha) to Buckingham Palace (into which they break). They discover a plank that has early Native American writing on it. The plank has only one symbol that Patrick Gates (Jon Voight) can identify. The symbol is Cibola (see-bowl-uh), meaning the City of Gold. In order to define the rest they have to go to Ben's mother, Patrick's divorced wife, Emily Appleton (Dame Helen Mirren). After thirty-two years, it brings back old arguments. After that, the other clue is in the ... Written by mviedirctr354