As romantic feelings increase for two couples, a disastrous drone strike puts everyone in danger. An assassination attempt heightens Monroe's paranoia. Foster considers surrender.
As Miles and Tom fight for the same cause, Miles remains suspicious. In order to keep anthrax out of Monroe's hands, Charlie, Nora and Jason try to rescue Dr. Stephen Camp. Aaron and Rachel are captured.
The past catches up with Miles and Monroe when Emma returns. Aaron goes with Rachel to the Tower.