Ep 2. Trylon and Perisphere

Carrie nervously prepares to meet the ISI asset in Islamabad, but the meeting is abruptly cut short when a massive explosion rocks the Pakistani capital. While Carrie races to determine who was behind the blast, Saul and Fara follow the money trail to an unexpected location and Carrie finds out who is following her. Meanwhile, at the embassy, CIA officers face the unenviable task of determining who on the staff is responsible for leaking information to the terrorists, leading to a polygraph test that will prove to be both revealing and deadly.