While on Air Force One, a Navy Commander dies. Agents from the Navy NCIS decide to take the investigation into their own hands and force Secret Service Agent Kate Todd to help. The NCIS team then has to figure out if the Navy Officer's death was of natural causes or not.
As the team tracks a copycat bomber, Gideon learns that the perpetrator is responsible for murdering his previous team.
After rising from a shallow makeshift grave in Rock Creek Park, Washington DC, a woman declares that there's a bomb aboard a naval vessel, but she also happens to have amnesia.
The family's new attorney works on George Sr.'s defense even as George Sr. plans his escape and Michael tries to destroy all evidence that his family exists.
Susan goes to the therapist and realises she must choose between Ian and Mike; Travers is having a birthday party which only spells trouble for Mrs McCluskey.