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.

After the horrific Paris church attack, Jack and Greer discover a deeper strategy behind Suleiman's actions, forcing Jack to suggest an unusual trap for him. Hanin faces new challenges in her quest for freedom.

Jack and Greer try to convince their superiors to lead a covert ground assault to capture Suleiman. Jack's double life costs him an important relationship.

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.