Mark finds himself on the defensive during a Senate Intelligence Committee hearing. Janis wonders how her vision will affect her current romantic relationship, and Olivia receives an anonymous message.

Mark does everything in his power to protect Gabriel, who is the bridge between Dyson Frost and the Global Blackout. Aaron locates his daughter's captors and puts his life on the line in order to rescue her, while Simon comes face to face with the head of the nefarious organization that may be responsible for the blackout.