Tempers fray when one of the homeless people is exposed as an undercover journalist. But he's desperate for a story and makes a beeline for someone vulnerable. Can he convince her to talk? Elsewhere, Al takes an exciting detour en route to Lichfield.

Jimmi is forced to tell the police what he knows. It seems a cut-and-dry case, but new evidence proves they have the wrong man. Meanwhile, concerns grow for Al when nobody can reach him.