As the NCIS team struggle to cope with Ziva's departure from the agency and their respective lives, they find themselves being forced to return to work and adjust to some sense of normality while attempting to hire a new replacement although none of the women that are chosen seem to match up with the team's personalities or abilities. However, upon learning that Ziva may have died during her mission in the Horn of Africa, Gibbs, Tony and McGee, having been left grief-stricken by the grim news soon find themselves embarking on a mission of revenge as they seek to kill the leader of a terrorist camp Ziva had been tasked with finding down and eliminating but not everything is what it seems....