Tehran, Season two follows Tamar, a Mossad hacker agent who infiltrates Tehran under a false identity to help destroy Iran's nuclear reactor. But when her mission fails, Tamar must plan an operation that will place everyone dear to her in jeopardy. Two time Emmy Award winner and Academy Award nominee, Glenn Close joins Season two with Shaun Toub, Shervin Alenabi, Arash Marandi and Shila Ommi also returning.