Insp. Monroe has trouble dealing with a gang of boy-racers who are harassing and intimidating an elderly couple. When the old man dies after an altercation with the gang, Monroe is urged by Brownlow to show 'zero tolerance' to the youths. PC Smith gets close to a nurse at the St Hughs Nurses Home while investigating reports of a stalker in the area.

PC Roz Clarke is on attachment to CID, and puts up with the usual teasing from the detectives and her uniform colleagues. She cracks the case she is working on with DC Glaze though, when she realises that a series of break-ins are all one surname in the phone book. When Ch. Insp. Conway and DI Cullen attend a rugby match between the Met and the Army, Conway is abducted when a disgruntled soldier decides to take revenge on those responsible for the abuse he received while at a children's home.