When a missing page from the diary of John Wilkes Booth surfaces, Ben Gates' great-great grandfather is suddenly implicated as a key conspirator in the assassination of Abraham Lincoln. The page is one of 18 pages missing from Booth's diary. When doing more research, the conspiracy takes Ben, Abigail, and Riley from Buckingham Palace to the White House - both places they break into - and even stealing a page from a secret book. But in order to see...

A ferry filled with crewmen from the USS Nimitz and their families is blown up in New Orleans during Mardi Gras. BATF Doug Carlin is brought in to assist in the recovery of evidence from the massive investigation, and gets attached to an experimental FBI surveillance unit. The unit uses technology to directly look back in time a little over four days into the past. While tracking down the bomber, Carlin gets an idea in his head: would it be possible...