Deeks disappears while on an undercover assignment for the LAPD; Hetty offers help, so Callen and company lend a hand; Eric follows a trace to a Serbian bad guy; Deeks shows up and solves the case, and the team get him out of a tight spot.
It's 1998 and over the course of one 12 Hour Shift at an Arkansas Hospital, A Junkie Nurse (Angela Bettis), Her Scheming Cousin (Chloe Farnworth) and a group of black market Organ-Trading criminals (Mick Foley, David Arquette, Dusty Warren) start a heist that could lead to all of their demise.