Carver and Lines are on the way to speak to witnesses when they see a man wrestling with a woman who is known to the police. She has some info about shoplifters which she gives to Boyden. Cathy and Dave deqal with a break-in which turns out to be a boy gaining entry to his own home because his mum isn't home. Polly arrested her for shoplifting. Norika and Cathy talk to a complaintive who is being intimidated by her husband into dropping the case. Her husband is released on bail and later stabbed.

Meadows is approached by DCI Calder of Barton Street, who was a DC of Meadows at AMIP. Calder admits while he is on the verge of promotion to Superintendent, an armed robbery that went wrong has left him under the kosh. With a suspect vanishing right before the job, Calder claims CIB are investigating a theory that one of the Barton Street CID team tipped the gang off, but Meadows is skeptical and leaves Calder to it. Coincidentally, Calder's elusive suspect is found as the victim of a beating attended by Garfield and Stamp, with a member of the public attempting to help savagely assaulted as a result. Beech identifies one of the men fleeing the scene as DC Bonford of Barton Street, proving they have found their inside man. However, the discovery may come too late as Calder is found atop of a high-rise tower block intent on committing suicide. Can Meadows and Conway talk him down?

Jack Meadows faces an old enemy, while a beautiful woman makes him an offer that is too good to be true.