The White House grapples with a mysterious biological threat. Their only hope is to crack Sophia during interrogation. Meanwhile, Vicky and Carter keep their hostage captive while they await further instructions. FBI Agent Collier, on her search for Leila, stumbles upon Vicky's secret life. Elsewhere, a powerful businessman, Dempsey with classified intelligence and ties to the White House, emerges from the shadows.
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 .