Ariel Llinas

Gibbs goes to Mexico to confront a drug cartel intent on revenge; Gibbs has to make a devastating decision.

The Graysons return to the spotlight and the center of a media storm; Emily's past continues to haunt her.

Sam is shot during a firefight with a cartel, and a suspect reveals new information on the whereabouts of Spencer Williams, the man who kidnapped Mosley's son five years ago. Despite several team members having grave reservations, NCIS travels to Mexico for a daring mission to locate and rescue Mosley's son.

Gravely injured and unable to communicate with the team in the U.S., Callen, Sam and Kensi, with an unconscious Deeks in tow, search for a safe way home as a cartel boss places a dead or alive bounty on their heads. Also, Mosely and retired Navy Admiral Hollace Kilbride beseech their contacts in Mexico and D.C. for assistance with their missing colleagues.

Despite several team members having reservations, the team travels to Mexico to locate and rescue Mosley's son.