In the aftermath of being shot in the previous episode, Gibbs finds himself fighting for his life and drifting between life and death as he's treated on board the medical ward of the Navy ship the U.S.S. Daniel Webster. DiNozzo and CIA officer Joanna Teague, who is the mother of deceased NCIS Special Agent Ned Dorneget, travel to Shanghai, China to take down the structure of the Calling once and for all, while everyone tries to come to terms with Gibbs being shot.
Prologue
Act One
Act Two
Act Three
Act Four
Act Five
Major Events
It's revealed that four months have passed since the events in the NCIS Season 12 episode The Lost Boys (episode).
Navy Doctor Cyril Taft is introduced for the first time.
Rule 45 is revealed to be "Clean up your own mess".
Trivia
Jon Cryer (Dr. Cyril Taft) is credited as a Special Guest Star.
There is no U.S. Navy aircraft carrier named Daniel Webster. The U.S.S. Daniel Webster was a Lafayette-class ballistic missile submarine, commissioned in 1964 and decommissioned in 1990. To date, it is the only U.S. Navy vessel named after U.S. Senator Daniel Webster.
Special Agent in charge of the NCIS Major Case Response Team. After being shot by a member associated with the international terrorist group, the Calling, Gibbs has surgery performed on him and is able to return to work although as a result of his near-death experience, he is confined to desk duty.