Upper middle class employee Tom ventures into a derelict squatter building to buy a gun from D, a cocky but stupid, homeless crack-junkie, who meanly tries to extort above the agreed price.
A London 'wide boy' alcoholic is forced to face his responsibilities by a 'heavenly' messenger.
The team investigates the death of Gerrard Anderson, a doctor at a local hospital who either jumped or fell off the hospital roof, crashing through a skylight on to the floor of the hospital canteen.
Waking the Dead
The body of missing Police Sergeant Debbie Briton turns up in a golf bag. Suspicion falls on a stalker, but Grace is not convinced that he is the killer.