Jack and Greer decode a fresh piece of intel that takes them to Paris and one step closer to the elusive Suleiman. Hanin's husband returns home with a renewed fervor for his secretive mission, leaving her unsure of their family's future.

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 and Greer fear Suleiman's next attack could be on U.S. soil. They must figure out how to stop him or risk enormous costs.