剧情简介：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.
一群整过容的恐怖分子谋杀了一名美国国务院工作人员（联邦特工）。为了灭口，他们「顺便」杀掉了整容医生。为了找到能辨认出这伙人的唯一证人，调查组决定立即采取行动。
