The Behavioral Analysis Unit has only 48 hours to determine whether or not a terrorist sleeper cell will strike within the U.S. and where.
After being buried alive, a woman comes out of the grave with amnesia and the only thing she remembers is that there is a bomb aboard a Navy ship.
When a bomb kills five people at a protest rally, Beckett and Castle try to solve the case by reconstructing the 47 seconds prior to the explosion.
In the year 2006, Victoria is visited by her estranged mother; Emily meets Aiden during her first mission under Takeda's training; Carl Porter crosses the wrong people.
The team investigates the shooting of a Marine.