A student at Rod Jessop's school is reluctant to talk about who wounded him with a knife on the way to school, but some dogged routine work by Reg and Diane searching through CCTV footage eventually gives the team a lead, linking the incident to the disappearance of paroled prisoner Jimmy Collins, last seen stealing bandages from a chemist's shop. The sight of Gina Gold in her glad rags prompts June to wish for early retirement - and an early wedding. Broadcast 8 February 2007.
Sgt Ackland's last day and while they're preparing a party at the station, she and her ex are being held hostage by the son of the owner of a haulage company who has shot his father. June learns that the case was complicated by Jim's intention of getting her back. The gunman has been promised a share of the robbery.
Sam Nixon has been confirmed as the new inspector. Sam, Phil and Micky are trying to police the Jasmine Allen Estate. One house is run as a porn web chat site. A woman has been found beaten up and h her husband is suspect.
A murder hunt is launched when Reshna's body is pulled out of the Thames and evidence emerges that she was having an affair with a fellow student. Meanwhile, Diane and Mickey are left in the dark when an eccentric mugging victim claims to be an undercover officer and Scotland Yard refuse to confirm or deny her story.
Still working in uniform, Phil Hunter retrieves a snatched bag containing £15,000. The owner eventually admits that he is being blackmailed for a marital indiscretion. Phil sets up a sting to catch the blackmailer. Meanwhile, pressure is put on Martin Turnbull, a witness waiting to give evidence against his brother-in-law Ray Moore.