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.

Gideon, Dr. Reid and new team member Emily Prentiss travel to Guantanamo Bay to interrogate the leader of the terrorist sleeper cell being held prisoner who holds valuable information that could help prevent a major national disaster. Prentiss, who speaks fluent Arabic, uses this opportunity to prove herself worthy of joining the team. While Gideon interrogates the terrorist, Reid analyzes the prisoner's body language in order to determine whether or not he is speaking the truth. While they attempt to gain information