Episode 1 : Endgame
Following Callen's public shooting of the Chameleon on last season's finale cliffhanger, all is not well with the NCIS: LA team, as Callen is placed on suspension and Hetty adjusts to retired life.
Episode 4 : Dead Body Politic
The NCIS: LA team investigates the tragic death of a U.S. senatorial candidate's staffer who is run over crossing the street. The high-profile case becomes a matter of national security as the agents must determine whether it is an isolated tragic incident or a politically connected plot that might put others in danger.
Episode 7 : Skin Deep
The NCIS: LA team heads to the beach to question the possible link between a surfer, an Internet video and a dead Naval tech scientist. Meanwhile, as Callen and Hanna investigate the victim's intelligence connections, Deeks and Kensi go undercover to catch their suspects and some waves.
Episode 24 : Descent
An explosion in the desert rekindles the search for stolen nuclear weapons and prompts Hetty to shuffle the NCIS: LA partnerships, sending Callen and Kensi overseas and Sam and Deeks teamed up stateside. Aunjanue Ellis guest stars as Michelle Hanna, Christopher Lambert guest stars as Marcel Janvier and Timothy V. Murphy guest stars as Isaak Sidorov.