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.
调查组要调查的死者是一名高安全等级的海军陆战队人员，他的一只手被人切走了，整件事情十分诡异。
