The NCIS team investigates an explosion at a global terror summit, suspecting Gibbs' arch-nemesis, Sergei Mishnev.
The episode explores Locke's birth and childhood, revealing that his destiny has been manipulated by Island forces (like Richard Alpert) since he was a young boy. Episode 15: Cabin Fever
Gibbs chooses to step away from the primary investigation to support a grieving Tobias Fornell, whose life is spiraling following his wife's murder. The NCIS team investigates an explosion at a