Shepard contacts Gibbs' NCIS mentor and partner, Mike Franks, in the hopes of helping an amnesiac Gibbs regain his memory as only he knows the details to an impending terrorist attack. Ziva, who had appeared nonchalant about Gibbs' situation, visits Gibbs in a desperate and emotional attempt to revive his memory by telling him about their shared connection with Ari. Meanwhile, Tony and the team discover Pinpin Pula wants to blow the ship Cape Fear. Gibbs recovers his memory and tries to stop the terrorist attack, but fails because his superiors ignore his warnings. Finally, Gibbs hands his badge to Tony and retires.