As Jack and Cathy grow closer, Jack's double-life is put to the test. A show of force from Suleiman adds to his ranks and brings him one step closer to his next attack.

Jack's moral code is tested when he and Greer use a Turkish criminal to help them track down a high-value target who may be able to lead them to Suleiman. Hanin tries to evade her pursuers and keep her daughters safe. Cathy investigates an outbreak of a virulent form of Ebola that may point to something more ominous.