Tehran

Fleeing pressure from her own side, Tamar hides out before making a vital discovery. Faraz and Nahid consider what to do next.

Tamar calls on an old enemy for help before meeting her match. Faraz feels the squeeze. Peterson faces disaster.

Finding herself in a tight spot, Tamar uses it to her advantage. Nahid makes a pact. Peterson turns up where he shouldn't be.

The fallout continues as Peterson's situation worsens. Nahid becomes more desperate as Tamar is forced closer to Ramin.

Faraz makes a surprising offer. Tamar and Nissan contemplate what lies ahead.

Tamar and Nissan regroup after a shocking setback. Faraz's prospects improve but Nahid feels the walls close in. Peterson gets to work.

As Peterson gets closer to his goal, Tamar recruits an unlikely ally. Nahid does what she must. Nissan confronts his past.

Season finale. Peterson approaches his endgame. Grappling with difficult choices and stark consequences, Tamar and Faraz face off.