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.
Did You Know?
When Sean calls Vicky to tell her to release Leila you can see the home screen on his iPhone instead of the call screen. See more