An FBI Agent is accused of selling witness locations during criminal trials, and the U.S. Marshals ask Peter and Neal for help tracking down the suspect. Peter winds up befriending the suspect upon discovering that the U.S. Marshal in charge of the investigation is actually selling the locations, and goes on the run with him trying to clear his name. Moz discovers that the mystery voice on the black box recording belongs to the still-in-hiding Garrett Fowler.