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.
一名冒充海豹突击队的骗子被人烧死，海军罪案调查处在调查中有了惊人的发现－－先前某个案件中被盗的「近程治疗加压气桶」再次浮出水面，这东西可以用来制造威力巨大的炸弹。
