When a routine bust goes bad, the team gets approached by a group of rogue cops who have their own vigilante justice in mind. Castillo approves Crockett and Tubbs decision to infiltrate the group, but when one good cop is killed, that decision comes into question.
Crockett and Tubbs are meeting with a drug dealer when someone comes in and starts shooting killing the drug dealer. When the shooter strikes again but this time not killing a drug dealer but an old man. They realize that an old man who was where when they were meeting the drug dealer was the actual target and that the two men are World War II death camp survivors. They learn that the men along with a few others were scheduled to testify at the hearing of a suspected Nazi who's living in Miami. So Crockett goes undercover joining a group a modern Nazis.