When you watch NCIS Season 14 Episode 21 online, a young Marine is killed by a criminal co-conspirator after helping him escape from police pursuit following a bank robbery. As the team investigates, they discover the the Marine became obsesssed with gambling and found himself heavily in debt, only to somehow pay off his debts with money he acquired under dubious circumstances. The case leads them to the bank robbery, and Nick Torres is shocked to realize that he recognizes the dirt bike on which the robber made his escape: it's his own, from a previous case in which he took down a notorious criminal dirt bike gang, the Rosewood Boys. Torres realizes that someone must have literally got the old gang back together and that they had startedu p their old tricks again. He is especially troubled and frustrated when Gibbs refuses to allow him to assist in questioning the impressioned gang leader. The situation only grows more dangerous for Torres, however, when his old dirt bike turns up again in a most explosive fashion. Who is behind the return of the Rosewood Boys? Find out what happens when you watch NCIS Season 14 Episode 21 online!