President Martinez orders Director of National Intelligence, Blake Sterling, to root out the mole from their staff, which causes Sterling to question his judgment of people close to him. Sophia reasserts her power over Thomas and the other detainees, and she prepares them for the next leg of their mission. Elsewhere, with the aid of Madeline, Sean continues his hunt for answers, all the while trying to stay one step ahead of the covert agents who trail him.
Elenco: Blair Underwood , Zeljko Ivanek , Laura Innes , Scott Patterson , Jason Ritter , Sarah Roemer , Taylor Cole , Lisa Vidal , Clifton Collins , Jr. , Bill Smitrovich , Wes Ramsey , Clea DuVall , Hal Holbrook .