Bravo Team searches for a new terrorist group leader who is orchestrating violent resistance to peace negotiations in Afghanistan. Also, Clay learns what it means to be a leader and Sonny works to repair his relationship with his father in Texas.
Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead by family and friends, and what led to her return, on the 17th season premiere.
