The White House grapples with a mysterious biological threat. Their only hope is to crack Sophia (Laura Innes) during interrogation. Meanwhile, Vicky (Taylor Cole) and Carter (guest star D.B. Sweeney) keep their hostage captive while they await further instructions. FBI Agent Collier (guest star Heather McComb), on her search for Leila (Sarah Roemer), stumbles upon Vicky's secret life. Elsewhere, a powerful businessman, Dempsey (guest star Hal Holbrook) with classified intelligence and ties to the White House, emerges from the shadows. Jason Ritter, Blair Underwood, ?eljko Ivanek, Clifton Collins, Jr., Ian Anthony Dale, Scott Patterson, Lisa Vidal, and Bill Smitrovich. Directed by: John Badham.