Conclusion. In Colombia, J.T.'s at risk on an undercover operation to nail a murderous drug lord. It's a mission steeped in duplicity and intrigue, and one that triggers J.T.'s feelings of guilt and revenge.

McNulty and J.T. mount a rescue mission in remote terrain in the Philippines to save a captured Navy SEAL, who was written off as dead three years earlier. The operation is met with numerous obstacles, however, including resistance from the Pentagon's civilian-oversight board.