When DNA tests on a charred remains from 1996 reveal family ties to a fingerprint analyst at the Home Office, drawing the team into a world of immigration loopholes and Albanian gangs. Meanwhile, Gerry takes a class in French cooking and meets a saucy woman

A psycologist arrives to conduct a study of older men in the workplace and asks the team for help on a personal matter, Years earlier, her berother, a bicycle messenger, was the victim of a hit and run that left him with severe memory loss. Now he claims he was a target--and still is.