The murder of a petty officer sparks a lead in a 40 year old airport bombing cold case that Gibbs and DiNozzo have been assigned to for the past two years.
Shawn and Angela break up and Mr. Feeny is offered a job as a professor at Pennbrook college.
Hetty asks operational psychologist Nate Getz to help Deeks and Sam return to work.
Andrea realizes she has to end a friendship that's gone on too long and a lice breakout at Amelia's school hits home.
Samantha wakes up from an eight day coma with amnesia and must re-acquaint herself with her past to discover who she is, where she came from, and who is important to her in a didactic journey.
