Overview: several months after foiling a terrorist attack on Dodger Stadium, FBI agent Darwyn Al-Sayeed is about to start a new life as a teacher at Quantico when he is asked to investigate a new terror suspect. Former cell leader Farik is interrogated by the CIA.
Overview: Darwyn struggles to maintain his cover as he assumes command of a new Los Angeles sleeper cell and questions the experience and skill of his new FBI case agent. Farik's interrogators use new techniques to get him to talk.
Overview: Ordered by the terrorist network to acquire a powerful weapon, Darwyn finds the FBI unwilling to cooperate. Ilija faces a heartbreaking decision as he prepares to flee for Europe. Farik is expatriated to Saudi Arabia, where he can be tortured.
Overview: Darwyn risks blowing his cover to stop one of his cell's operative from taking revenge against a progressive Islamic televangelist; Farik escapes from prison in Saudi Arabia and finds an al-Qaeda safe house.
Overview: The future of Darwyn's cell is altered when he urges the FBI to intercept a shipment of nuclear material arriving at the Port of Los Angeles - sent by none other than Farik; Ilija faces his past when he arrives home in Sarajevo.
Overview: The cell's new leader, Karrar, pushes Darwyn aside as plans progress for the nuclear attack on Los Angeles; Farik teaches a lesson about the terrorist way of doing business to an American philanthropist at a school in Yemen.
Overview: The FBI and Darwyn move to intercept the cell's plans to detonate a pair of nuclear dirty bombs in Los Angeles on the Fourth of July, but their victory is overshadowed by a pair of tragedies for Darwyn.
Overview: Darwyn blames himself for the tragedies that occurred on the Fourth of July and embarks on a suicide mission to Yemen, where he plans to find and confront Farik using his former cell leader's wife as bait.