The biological threat intensifies. The CDC rushes to identify the contagion and treat the infected people, while the White House and Director of National Intelligence face a difficult dilemma in their negotiation with Thomas. Meanwhile, Simon appeals to Sophia to turn on Thomas. Elsewhere, FBI Agent Collier closes in on Vicky and Carter, but appearances are not always what they seem. Written by
Did You Know?
The Farragut North Metro Station and the DC Metro trains do not look like the station and train seen in this episode. See more