Sean Harmon

While investigating a crash of a military plane that was transporting caskets, the NCIS team comes upon a discrepancy with the DNA remains.

The search into the disappearance of a Marine Lieutenant continues as the NCIS team tracks them down to Afghanistan. Meanwhile, Tony's deepest fear resurfaces and Gibbs has to go through memories of his past again.

While stopping by his usual diner for coffee, Gibbs finds himself in grave danger, prompting him to think about his past and the choices he made in his life.

Flashbacks reveal the murder case that first introduced young Gibbs (Sean Harmon) to NCIS and his introduction to young, new-to-America Ducky (Adam Campbell).

Major Crimes investigates the murder of a supermodel with close ties to a pompous celebrity photographer (guest star Jamie Bamber — Law & Order: UK, Battlestar Galactica) with boundary issues. Meanwhile, Raydor and Rusty give Assistant Chief Taylor a headache when they are both served subpoenas for their entanglement in the Alice murder case.

Callen and Sam infiltrate a white supremacist group that might have stolen nuclear material.