Gibbs and company continue to investigate the killings at Vance's home, seeking whoever hired the shooter; McGee identifies the gunman; Tony and McGee get a lead on the kingpin; Tony questions the suspect. Tony provides secure lodging to Ziva at his own pad, and Vance takes leave and goes to a hotel. The new director of the Mossad arrives and throws his weight around. McGee says that the bullets came from Russia via Sweden; he also identifies the smuggler, who is Iranian; McGee traces the payment to the hit man, then Ziva interprets a crucial and clinching clue, which leads to the man responsible. A Suburban explodes, killing a key foreign official. Ziva escorts her father's body back home for burial in Israel; the whole gang accompany Vance and his kids for the burial of Jackie; Ziva goes to the wailing wall and later picks olives and plants an olive tree.